Add 7/21 and 75/56
1st number: 7/21, 2nd number: 1 19/56
7/21 + 75/56 is 281/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
7/21 = 7 × 8/21 × 8 = 56/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
75/56 = 75 × 3/56 × 3 = 225/168 - Add the two like fractions:
56/168 + 225/168 = 56 + 225/168 = 281/168 - So, 7/21 + 75/56 = 281/168
In mixed form: 1113/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21+75/56 7/42+75/56 7/63+75/56 35/21+75/56 49/21+75/56