Add 36/49 and 21/30
36/49 + 21/30 is 703/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
36/49 = 36 × 30/49 × 30 = 1080/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
21/30 = 21 × 49/30 × 49 = 1029/1470 - Add the two like fractions:
1080/1470 + 1029/1470 = 1080 + 1029/1470 = 2109/1470 - 2109/1470 simplified gives 703/490
- So, 36/49 + 21/30 = 703/490
In mixed form: 1213/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/49+21/30 36/49+42/30 36/98+21/30 36/49+21/60 36/49+63/30 36/49+21/90