Subtract 72/10 from 20/35
1st number: 20/35, 2nd number: 7 2/10
20/35 - 72/10 is -232/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
20/35 = 20 × 2/35 × 2 = 40/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Subtract the two like fractions:
40/70 - 504/70 = 40 - 504/70 = -464/70 - After reducing the fraction, the answer is -232/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35-72/10 20/70-72/10 20/35-72/20 60/35-72/10 20/35-72/30 20/35-72/50 20/35-72/70