Subtract 25/30 from 4/56
4/56 - 25/30 is -16/21.
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,
25/30 = 25 × 28/30 × 28 = 700/840 - Subtract the two like fractions:
60/840 - 700/840 = 60 - 700/840 = -640/840 - After reducing the fraction, the answer is -16/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56-25/30 4/56-50/30 4/56-25/60 12/56-25/30 4/56-75/30 4/56-25/90 20/56-25/30 28/56-25/30