# Tutor profile: Joanna S.

## Questions

### Subject: Basic Math

How do you add fractions with unlike denominators?

It is important to find the least common multiple (LCM). In order to find the LCM, make a list of multiples for each number. When numbers match in each list, stop. That is your LCM. You then look at each original denominator. What would you multiply the denominator to equal your LCM? Multiply that number with your numerator. Do this for each fraction. Once you have your new equivalent fractions, add the numerators and keep the denominators the same.

### Subject: Music Theory

What is the difference between duple and triple meter?

The duple meter has two strong pulses evenly divided in each beat. If you were to count it out, it would count 1 and 2 and. The triple meter has three strong pulses evenly divided in each beat. Think of a waltz. We would count it as one two three, one two three.

### Subject: Music

What is the difference between a melody and harmony?

The melody is the main words or instrument of a song. Think of a catchy tune that you remember. That is the catchy tune. The harmony is the background tones that create chords in a song. They make the melody sound more full. Think of the melody moving horizontally. The harmony moves vertically underneath the melody, supporting the melody.

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