Add 40/35 and 56/72
1st number: 1 5/35, 2nd number: 56/72
40/35 + 56/72 is 121/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
40/35 = 40 × 72/35 × 72 = 2880/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
56/72 = 56 × 35/72 × 35 = 1960/2520 - Add the two like fractions:
2880/2520 + 1960/2520 = 2880 + 1960/2520 = 4840/2520 - 4840/2520 simplified gives 121/63
- So, 40/35 + 56/72 = 121/63
In mixed form: 158/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35+56/72 40/70+56/72