Add 42/56 and 70/9
1st number: 42/56, 2nd number: 7 7/9
42/56 + 70/9 is 307/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
42/56 = 42 × 9/56 × 9 = 378/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
70/9 = 70 × 56/9 × 56 = 3920/504 - Add the two like fractions:
378/504 + 3920/504 = 378 + 3920/504 = 4298/504 - 4298/504 simplified gives 307/36
- So, 42/56 + 70/9 = 307/36
In mixed form: 819/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+70/9 42/56+70/18 42/56+70/27 42/56+70/45 42/56+70/63