Subtract 2/45 from 72/56
1st number: 1 16/56, 2nd number: 2/45
72/56 - 2/45 is 391/315.
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,
2/45 = 2 × 56/45 × 56 = 112/2520 - Subtract the two like fractions:
3240/2520 - 112/2520 = 3240 - 112/2520 = 3128/2520 - After reducing the fraction, the answer is 391/315
- In mixed form: 176/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56-4/45 72/56-2/90 72/56-6/45 72/56-10/45 72/56-14/45