Subtract 2/45 from 3/56
3/56 - 2/45 is 23/2520.
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,
3/56 = 3 × 45/56 × 45 = 135/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
2/45 = 2 × 56/45 × 56 = 112/2520 - Subtract the two like fractions:
135/2520 - 112/2520 = 135 - 112/2520 = 23/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56-2/45 3/56-4/45 3/56-2/90 9/56-2/45 3/56-6/45 15/56-2/45 3/56-10/45 21/56-2/45 3/56-14/45