Add 4/15 and 75/40
1st number: 4/15, 2nd number: 1 35/40
4/15 + 75/40 is 257/120.
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,
4/15 = 4 × 8/15 × 8 = 32/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
75/40 = 75 × 3/40 × 3 = 225/120 - Add the two like fractions:
32/120 + 225/120 = 32 + 225/120 = 257/120 - So, 4/15 + 75/40 = 257/120
In mixed form: 217/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+75/40 4/30+75/40 4/15+75/80 12/15+75/40 4/45+75/40 20/15+75/40 4/75+75/40 28/15+75/40