Subtract 72/8 from 10/4
1st number: 2 2/4, 2nd number: 9 0/8
10/4 - 72/8 is -13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
10/4 = 10 × 2/4 × 2 = 20/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
72/8 = 72 × 1/8 × 1 = 72/8 - Subtract the two like fractions:
20/8 - 72/8 = 20 - 72/8 = -52/8 - After reducing the fraction, the answer is -13/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4-72/8 10/8-72/8 10/4-72/16 30/4-72/8 10/12-72/8 10/4-72/24 50/4-72/8 10/20-72/8 10/4-72/40 70/4-72/8 10/28-72/8 10/4-72/56