Subtract 10/72 from 45/35
1st number: 1 10/35, 2nd number: 10/72
45/35 - 10/72 is 289/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
45/35 = 45 × 72/35 × 72 = 3240/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
10/72 = 10 × 35/72 × 35 = 350/2520 - Subtract the two like fractions:
3240/2520 - 350/2520 = 3240 - 350/2520 = 2890/2520 - After reducing the fraction, the answer is 289/252
- In mixed form: 137/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-10/72 45/35-20/72 45/70-10/72 45/35-30/72 45/35-50/72 45/35-70/72