Subtract 56/42 from 20/10
1st number: 2 0/10, 2nd number: 1 14/42
20/10 - 56/42 is 2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
20/10 = 20 × 21/10 × 21 = 420/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
56/42 = 56 × 5/42 × 5 = 280/210 - Subtract the two like fractions:
420/210 - 280/210 = 420 - 280/210 = 140/210 - After reducing the fraction, the answer is 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-56/42 20/10-56/84 60/10-56/42 20/30-56/42 20/50-56/42 20/70-56/42