Add 21/60 and 18/49
21/60 + 18/49 is 703/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
21/60 = 21 × 49/60 × 49 = 1029/2940 - Likewise, for the 2nd fraction, since 49 × 60 = 2940,
18/49 = 18 × 60/49 × 60 = 1080/2940 - Add the two like fractions:
1029/2940 + 1080/2940 = 1029 + 1080/2940 = 2109/2940 - 2109/2940 simplified gives 703/980
- So, 21/60 + 18/49 = 703/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60+18/49 21/60+36/49 21/60+18/98 63/60+18/49 21/60+54/49 21/60+90/49