Add 64/15 and 49/40
1st number: 4 4/15, 2nd number: 1 9/40
64/15 + 49/40 is 659/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
64/15 = 64 × 8/15 × 8 = 512/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
49/40 = 49 × 3/40 × 3 = 147/120 - Add the two like fractions:
512/120 + 147/120 = 512 + 147/120 = 659/120 - So, 64/15 + 49/40 = 659/120
In mixed form: 559/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/15+98/40 64/30+49/40 64/15+49/80 64/45+49/40 64/75+49/40