Subtract 3/56 from 3/45
3/45 - 3/56 is 11/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
3/45 = 3 × 56/45 × 56 = 168/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
3/56 = 3 × 45/56 × 45 = 135/2520 - Subtract the two like fractions:
168/2520 - 135/2520 = 168 - 135/2520 = 33/2520 - After reducing the fraction, the answer is 11/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45-3/56 3/45-6/56 3/90-3/56 9/45-3/56 3/45-9/56 15/45-3/56 3/45-15/56 21/45-3/56 3/45-21/56