Add 42/36 and 63/15
1st number: 1 6/36, 2nd number: 4 3/15
42/36 + 63/15 is 161/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
63/15 = 63 × 12/15 × 12 = 756/180 - Add the two like fractions:
210/180 + 756/180 = 210 + 756/180 = 966/180 - 966/180 simplified gives 161/30
- So, 42/36 + 63/15 = 161/30
In mixed form: 511/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+63/15 42/72+63/15 42/36+63/30 42/36+63/45 42/36+63/75