Add 3/4 and 8/15
3/4 + 8/15 is 77/60.
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,
3/4 = 3 × 15/4 × 15 = 45/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
8/15 = 8 × 4/15 × 4 = 32/60 - Add the two like fractions:
45/60 + 32/60 = 45 + 32/60 = 77/60 - So, 3/4 + 8/15 = 77/60
In mixed form: 117/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4+8/15 3/4+16/15 3/8+8/15 3/4+8/30 9/4+8/15 3/4+24/15 3/12+8/15 3/4+8/45 15/4+8/15 3/4+40/15 3/20+8/15 3/4+8/75 21/4+8/15 3/4+56/15 3/28+8/15