Subtract 35/8 from 54/15
1st number: 3 9/15, 2nd number: 4 3/8
54/15 - 35/8 is -31/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
54/15 = 54 × 8/15 × 8 = 432/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
35/8 = 35 × 15/8 × 15 = 525/120 - Subtract the two like fractions:
432/120 - 525/120 = 432 - 525/120 = -93/120 - After reducing the fraction, the answer is -31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-70/8 54/30-35/8 54/15-35/16 54/45-35/8 54/15-35/24 54/75-35/8 54/15-35/40 54/15-35/56