Subtract 10/36 from 72/30
1st number: 2 12/30, 2nd number: 10/36
72/30 - 10/36 is 191/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
72/30 = 72 × 6/30 × 6 = 432/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
10/36 = 10 × 5/36 × 5 = 50/180 - Subtract the two like fractions:
432/180 - 50/180 = 432 - 50/180 = 382/180 - After reducing the fraction, the answer is 191/90
- In mixed form: 211/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30-20/36 72/60-10/36 72/30-10/72 72/30-30/36 72/90-10/36 72/30-50/36 72/30-70/36