Add 30/54 and 21/49
30/54 + 21/49 is 62/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
30/54 = 30 × 49/54 × 49 = 1470/2646 - Likewise, for the 2nd fraction, since 49 × 54 = 2646,
21/49 = 21 × 54/49 × 54 = 1134/2646 - Add the two like fractions:
1470/2646 + 1134/2646 = 1470 + 1134/2646 = 2604/2646 - 2604/2646 simplified gives 62/63
- So, 30/54 + 21/49 = 62/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+21/49 30/54+42/49 30/54+21/98 90/54+21/49 30/54+63/49