Subtract 1/8 from 84/28
1st number: 3 0/28, 2nd number: 1/8
84/28 - 1/8 is 23/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
84/28 = 84 × 2/28 × 2 = 168/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
1/8 = 1 × 7/8 × 7 = 7/56 - Subtract the two like fractions:
168/56 - 7/56 = 168 - 7/56 = 161/56 - After reducing the fraction, the answer is 23/8
- In mixed form: 27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-2/8 84/56-1/8 84/28-1/16 84/28-3/8 84/28-1/24 84/28-5/8 84/28-1/40 84/28-7/8 84/28-1/56