Add 21/56 and 70/6
1st number: 21/56, 2nd number: 11 4/6
21/56 + 70/6 is 289/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 6 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Likewise, for the 2nd fraction, since 6 × 28 = 168,
70/6 = 70 × 28/6 × 28 = 1960/168 - Add the two like fractions:
63/168 + 1960/168 = 63 + 1960/168 = 2023/168 - 2023/168 simplified gives 289/24
- So, 21/56 + 70/6 = 289/24
In mixed form: 121/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/56+70/6 21/56+70/12 63/56+70/6 21/56+70/18 21/56+70/30 21/56+70/42