Subtract 35/30 from 60/21
1st number: 2 18/21, 2nd number: 1 5/30
60/21 - 35/30 is 71/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
60/21 = 60 × 10/21 × 10 = 600/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210 - Subtract the two like fractions:
600/210 - 245/210 = 600 - 245/210 = 355/210 - After reducing the fraction, the answer is 71/42
- In mixed form: 129/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21-70/30 60/42-35/30 60/21-35/60 60/63-35/30 60/21-35/90