Add 30/98 and 21/60
30/98 + 21/60 is 643/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 60 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 98 × 30 = 2940,
30/98 = 30 × 30/98 × 30 = 900/2940 - Likewise, for the 2nd fraction, since 60 × 49 = 2940,
21/60 = 21 × 49/60 × 49 = 1029/2940 - Add the two like fractions:
900/2940 + 1029/2940 = 900 + 1029/2940 = 1929/2940 - 1929/2940 simplified gives 643/980
- So, 30/98 + 21/60 = 643/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/98+21/60 30/98+42/60 90/98+21/60 30/98+63/60