Subtract 40/56 from 30/20
1st number: 1 10/20, 2nd number: 40/56
30/20 - 40/56 is 11/14.
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,
30/20 = 30 × 14/20 × 14 = 420/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
40/56 = 40 × 5/56 × 5 = 200/280 - Subtract the two like fractions:
420/280 - 200/280 = 420 - 200/280 = 220/280 - After reducing the fraction, the answer is 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-40/56 30/20-80/56 30/40-40/56 90/20-40/56 30/60-40/56