Add 36/28 and 21/54
1st number: 1 8/28, 2nd number: 21/54
36/28 + 21/54 is 211/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
36/28 = 36 × 27/28 × 27 = 972/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
21/54 = 21 × 14/54 × 14 = 294/756 - Add the two like fractions:
972/756 + 294/756 = 972 + 294/756 = 1266/756 - 1266/756 simplified gives 211/126
- So, 36/28 + 21/54 = 211/126
In mixed form: 185/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+21/54 36/28+42/54 36/56+21/54 36/28+63/54 36/84+21/54