Subtract 9/8 from 7/5
1st number: 1 2/5, 2nd number: 1 1/8
75 - 98 is 1140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
75 = 7 × 85 × 8 = 5640 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
98 = 9 × 58 × 5 = 4540 - Subtract the two like fractions:
5640 - 4540 = 56 - 4540 = 1140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-9/8 7/5-18/8 7/10-9/8 7/5-9/16 21/5-9/8 7/5-27/8 7/15-9/8 7/5-9/24 35/5-9/8 7/5-45/8 7/25-9/8 7/5-9/40 49/5-9/8 7/5-63/8 7/35-9/8 7/5-9/56