Add 7/40 and 16/15
1st number: 7/40, 2nd number: 1 1/15
7/40 + 16/15 is 149/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
16/15 = 16 × 8/15 × 8 = 128/120 - Add the two like fractions:
21/120 + 128/120 = 21 + 128/120 = 149/120 - So, 7/40 + 16/15 = 149/120
In mixed form: 129/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+16/15 7/40+32/15 7/80+16/15 7/40+16/30 21/40+16/15 7/40+48/15 7/40+16/45 35/40+16/15 7/40+80/15 7/40+16/75 49/40+16/15