Add 4/15 and 63/80
4/15 + 63/80 is 253/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
4/15 = 4 × 16/15 × 16 = 64/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
63/80 = 63 × 3/80 × 3 = 189/240 - Add the two like fractions:
64/240 + 189/240 = 64 + 189/240 = 253/240 - So, 4/15 + 63/80 = 253/240
In mixed form: 113/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+63/80 4/30+63/80 12/15+63/80 4/45+63/80 20/15+63/80 4/75+63/80 28/15+63/80