Add 8/4 and 21/56
1st number: 2 0/4, 2nd number: 21/56
8/4 + 21/56 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
8/4 = 8 × 14/4 × 14 = 112/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Add the two like fractions:
112/56 + 21/56 = 112 + 21/56 = 133/56 - 133/56 simplified gives 19/8
- So, 8/4 + 21/56 = 19/8
In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4+21/56 8/4+42/56 24/4+21/56 8/4+63/56 8/12+21/56 40/4+21/56 8/20+21/56 56/4+21/56 8/28+21/56