Add 40/72 and 56/35
1st number: 40/72, 2nd number: 1 21/35
40/72 + 56/35 is 97/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
40/72 = 40 × 35/72 × 35 = 1400/2520 - Likewise, for the 2nd fraction, since 35 × 72 = 2520,
56/35 = 56 × 72/35 × 72 = 4032/2520 - Add the two like fractions:
1400/2520 + 4032/2520 = 1400 + 4032/2520 = 5432/2520 - 5432/2520 simplified gives 97/45
- So, 40/72 + 56/35 = 97/45
In mixed form: 27/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/72+56/35 40/72+56/70