Subtract 21/60 from 35/30
1st number: 1 5/30, 2nd number: 21/60
35/30 - 21/60 is 49/60.
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,
35/30 = 35 × 2/30 × 2 = 70/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Subtract the two like fractions:
70/60 - 21/60 = 70 - 21/60 = 49/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-21/60 35/30-42/60 35/60-21/60 35/30-63/60 35/90-21/60