Add 4/15 and 16/40
4/15 + 16/40 is 2/3.
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,
4/15 = 4 × 8/15 × 8 = 32/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
16/40 = 16 × 3/40 × 3 = 48/120 - Add the two like fractions:
32/120 + 48/120 = 32 + 48/120 = 80/120 - 80/120 simplified gives 2/3
- So, 4/15 + 16/40 = 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+16/40 4/15+32/40 4/30+16/40 4/15+16/80 12/15+16/40 4/15+48/40 4/45+16/40 20/15+16/40 4/15+80/40 4/75+16/40 28/15+16/40