Subtract 8/45 from 72/56
1st number: 1 16/56, 2nd number: 8/45
72/56 - 8/45 is 349/315.
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,
72/56 = 72 × 45/56 × 45 = 3240/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
8/45 = 8 × 56/45 × 56 = 448/2520 - Subtract the two like fractions:
3240/2520 - 448/2520 = 3240 - 448/2520 = 2792/2520 - After reducing the fraction, the answer is 349/315
- In mixed form: 134/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56-16/45 72/56-8/90 72/56-24/45 72/56-40/45 72/56-56/45