Subtract 1/8 from 84/15
1st number: 5 9/15, 2nd number: 1/8
84/15 - 1/8 is 219/40.
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,
84/15 = 84 × 8/15 × 8 = 672/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
1/8 = 1 × 15/8 × 15 = 15/120 - Subtract the two like fractions:
672/120 - 15/120 = 672 - 15/120 = 657/120 - After reducing the fraction, the answer is 219/40
- In mixed form: 519/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15-2/8 84/30-1/8 84/15-1/16 84/15-3/8 84/45-1/8 84/15-1/24 84/15-5/8 84/75-1/8 84/15-1/40 84/15-7/8 84/15-1/56