Subtract 10/56 from 72/20
1st number: 3 12/20, 2nd number: 10/56
72/20 - 10/56 is 479/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
72/20 = 72 × 14/20 × 14 = 1008/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
10/56 = 10 × 5/56 × 5 = 50/280 - Subtract the two like fractions:
1008/280 - 50/280 = 1008 - 50/280 = 958/280 - After reducing the fraction, the answer is 479/140
- In mixed form: 359/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20-20/56 72/40-10/56 72/20-30/56 72/60-10/56 72/20-50/56 72/20-70/56