Subtract 70/36 from 72/4
1st number: 18 0/4, 2nd number: 1 34/36
72/4 - 70/36 is 289/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
72/4 = 72 × 9/4 × 9 = 648/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
70/36 = 70 × 1/36 × 1 = 70/36 - Subtract the two like fractions:
648/36 - 70/36 = 648 - 70/36 = 578/36 - After reducing the fraction, the answer is 289/18
- In mixed form: 161/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8-70/36 72/4-70/72 72/12-70/36 72/20-70/36 72/28-70/36