Subtract 7/8 from 36/12
1st number: 3 0/12, 2nd number: 7/8
36/12 - 7/8 is 17/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
36/12 = 36 × 2/12 × 2 = 72/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
7/8 = 7 × 3/8 × 3 = 21/24 - Subtract the two like fractions:
72/24 - 21/24 = 72 - 21/24 = 51/24 - After reducing the fraction, the answer is 17/8
- In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-7/8 36/12-14/8 36/24-7/8 36/12-7/16 36/12-21/8 36/12-7/24 36/12-35/8 36/60-7/8 36/12-7/40 36/12-49/8 36/84-7/8 36/12-7/56