Add 21/30 and 49/60
21/30 + 49/60 is 91/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
21/30 = 21 × 2/30 × 2 = 42/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
49/60 = 49 × 1/60 × 1 = 49/60 - Add the two like fractions:
42/60 + 49/60 = 42 + 49/60 = 91/60 - So, 21/30 + 49/60 = 91/60
In mixed form: 131/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30+49/60 21/30+98/60 21/60+49/60 63/30+49/60 21/90+49/60