Subtract 72/8 from 4/2
1st number: 2 0/2, 2nd number: 9 0/8
4/2 - 72/8 is -7/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
4/2 = 4 × 4/2 × 4 = 16/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
72/8 = 72 × 1/8 × 1 = 72/8 - Subtract the two like fractions:
16/8 - 72/8 = 16 - 72/8 = -56/8 - After reducing the fraction, the answer is -7/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/2-72/8 4/2-72/16 12/2-72/8 4/6-72/8 4/2-72/24 20/2-72/8 4/10-72/8 4/2-72/40 28/2-72/8 4/14-72/8 4/2-72/56