Subtract 20/56 from 30/4
1st number: 7 2/4, 2nd number: 20/56
30/4 - 20/56 is 50/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
30/4 = 30 × 14/4 × 14 = 420/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Subtract the two like fractions:
420/56 - 20/56 = 420 - 20/56 = 400/56 - After reducing the fraction, the answer is 50/7
- In mixed form: 71/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-20/56 30/4-40/56 30/8-20/56 90/4-20/56 30/4-60/56 30/12-20/56 30/20-20/56 30/28-20/56