Subtract 27/70 from 60/30
1st number: 2 0/30, 2nd number: 27/70
60/30 - 27/70 is 113/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
60/30 = 60 × 7/30 × 7 = 420/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
27/70 = 27 × 3/70 × 3 = 81/210 - Subtract the two like fractions:
420/210 - 81/210 = 420 - 81/210 = 339/210 - After reducing the fraction, the answer is 113/70
- In mixed form: 143/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/30-54/70 60/30-81/70 60/90-27/70