Add 70/81 and 72/35
1st number: 70/81, 2nd number: 2 2/35
70/81 + 72/35 is 8282/2835.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 35 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 81 × 35 = 2835,
70/81 = 70 × 35/81 × 35 = 2450/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
72/35 = 72 × 81/35 × 81 = 5832/2835 - Add the two like fractions:
2450/2835 + 5832/2835 = 2450 + 5832/2835 = 8282/2835 - So, 70/81 + 72/35 = 8282/2835
In mixed form: 22612/2835
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/81+72/70