Subtract 40/30 from 4/56
1st number: 4/56, 2nd number: 1 10/30
4/56 - 40/30 is -53/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
4/56 = 4 × 15/56 × 15 = 60/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
40/30 = 40 × 28/30 × 28 = 1120/840 - Subtract the two like fractions:
60/840 - 1120/840 = 60 - 1120/840 = -1060/840 - After reducing the fraction, the answer is -53/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56-40/30 4/56-80/30 4/56-40/60 12/56-40/30 4/56-40/90 20/56-40/30 28/56-40/30