Add 15/90 and 63/60
1st number: 15/90, 2nd number: 1 3/60
15/90 + 63/60 is 73/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
15/90 = 15 × 2/90 × 2 = 30/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
63/60 = 63 × 3/60 × 3 = 189/180 - Add the two like fractions:
30/180 + 189/180 = 30 + 189/180 = 219/180 - 219/180 simplified gives 73/60
- So, 15/90 + 63/60 = 73/60
In mixed form: 113/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90+63/60 45/90+63/60 75/90+63/60