Add 8/15 and 63/28
1st number: 8/15, 2nd number: 2 7/28
8/15 + 63/28 is 167/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
8/15 = 8 × 28/15 × 28 = 224/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
63/28 = 63 × 15/28 × 15 = 945/420 - Add the two like fractions:
224/420 + 945/420 = 224 + 945/420 = 1169/420 - 1169/420 simplified gives 167/60
- So, 8/15 + 63/28 = 167/60
In mixed form: 247/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+63/28 8/30+63/28 8/15+63/56 24/15+63/28 8/45+63/28 8/15+63/84 40/15+63/28 8/75+63/28 56/15+63/28