Add 45/14 and 21/8
1st number: 3 3/14, 2nd number: 2 5/8
45/14 + 21/8 is 327/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
45/14 = 45 × 4/14 × 4 = 180/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
21/8 = 21 × 7/8 × 7 = 147/56 - Add the two like fractions:
180/56 + 147/56 = 180 + 147/56 = 327/56 - So, 45/14 + 21/8 = 327/56
In mixed form: 547/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+21/8 45/14+42/8 45/28+21/8 45/14+21/16 45/14+63/8 45/42+21/8 45/14+21/24 45/70+21/8 45/14+21/40 45/98+21/8 45/14+21/56