Subtract 10/72 from 49/4
1st number: 12 1/4, 2nd number: 10/72
49/4 - 10/72 is 109/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
49/4 = 49 × 18/4 × 18 = 882/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72 - Subtract the two like fractions:
882/72 - 10/72 = 882 - 10/72 = 872/72 - After reducing the fraction, the answer is 109/9
- In mixed form: 121/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4-10/72 49/4-20/72 49/8-10/72 49/4-30/72 49/12-10/72 49/4-50/72 49/20-10/72 49/4-70/72 49/28-10/72