Subtract 21/60 from 49/30
1st number: 1 19/30, 2nd number: 21/60
49/30 - 21/60 is 77/60.
Steps for subtracting 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,
49/30 = 49 × 2/30 × 2 = 98/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Subtract the two like fractions:
98/60 - 21/60 = 98 - 21/60 = 77/60 - In mixed form: 117/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-21/60 49/30-42/60 49/60-21/60 49/30-63/60 49/90-21/60