Add 21/4 and 36/56
1st number: 5 1/4, 2nd number: 36/56
21/4 + 36/56 is 165/28.
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,
21/4 = 21 × 14/4 × 14 = 294/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
36/56 = 36 × 1/56 × 1 = 36/56 - Add the two like fractions:
294/56 + 36/56 = 294 + 36/56 = 330/56 - 330/56 simplified gives 165/28
- So, 21/4 + 36/56 = 165/28
In mixed form: 525/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+36/56 21/4+72/56 21/8+36/56 63/4+36/56 21/12+36/56 21/20+36/56 21/28+36/56