Add 40/7 and 21/56
1st number: 5 5/7, 2nd number: 21/56
40/7 + 21/56 is 341/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
40/7 = 40 × 8/7 × 8 = 320/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Add the two like fractions:
320/56 + 21/56 = 320 + 21/56 = 341/56 - So, 40/7 + 21/56 = 341/56
In mixed form: 65/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+21/56 40/7+42/56 40/14+21/56 40/7+63/56 40/21+21/56 40/35+21/56 40/49+21/56