Add 8/54 and 21/36
8/54 + 21/36 is 79/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 36 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
8/54 = 8 × 2/54 × 2 = 16/108 - Likewise, for the 2nd fraction, since 36 × 3 = 108,
21/36 = 21 × 3/36 × 3 = 63/108 - Add the two like fractions:
16/108 + 63/108 = 16 + 63/108 = 79/108 - So, 8/54 + 21/36 = 79/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/54+21/36 8/54+42/36 8/54+21/72 24/54+21/36 8/54+63/36 40/54+21/36 56/54+21/36