Subtract 1/45 from 4/56
4/56 - 1/45 is 31/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
4/56 = 4 × 45/56 × 45 = 180/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
1/45 = 1 × 56/45 × 56 = 56/2520 - Subtract the two like fractions:
180/2520 - 56/2520 = 180 - 56/2520 = 124/2520 - After reducing the fraction, the answer is 31/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56-1/45 4/56-2/45 4/56-1/90 12/56-1/45 4/56-3/45 20/56-1/45 4/56-5/45 28/56-1/45 4/56-7/45