Subtract 72/6 from 45/8
1st number: 5 5/8, 2nd number: 12 0/6
45/8 - 72/6 is -51/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 6 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
45/8 = 45 × 3/8 × 3 = 135/24 - Likewise, for the 2nd fraction, since 6 × 4 = 24,
72/6 = 72 × 4/6 × 4 = 288/24 - Subtract the two like fractions:
135/24 - 288/24 = 135 - 288/24 = -153/24 - After reducing the fraction, the answer is -51/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-72/6 45/16-72/6 45/8-72/12 45/24-72/6 45/8-72/18 45/40-72/6 45/8-72/30 45/56-72/6 45/8-72/42