Add 42/4 and 63/15
1st number: 10 2/4, 2nd number: 4 3/15
42/4 + 63/15 is 147/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
63/15 = 63 × 4/15 × 4 = 252/60 - Add the two like fractions:
630/60 + 252/60 = 630 + 252/60 = 882/60 - 882/60 simplified gives 147/10
- So, 42/4 + 63/15 = 147/10
In mixed form: 147/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+63/15 42/8+63/15 42/4+63/30 42/12+63/15 42/4+63/45 42/20+63/15 42/4+63/75 42/28+63/15