Subtract 18/16 from 70/8
1st number: 8 6/8, 2nd number: 1 2/16
70/8 - 18/16 is 61/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
70/8 = 70 × 2/8 × 2 = 140/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
18/16 = 18 × 1/16 × 1 = 18/16 - Subtract the two like fractions:
140/16 - 18/16 = 140 - 18/16 = 122/16 - After reducing the fraction, the answer is 61/8
- In mixed form: 75/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-36/16 70/16-18/16 70/8-18/32 70/8-54/16 70/24-18/16 70/8-18/48 70/8-90/16 70/40-18/16 70/8-18/80 70/56-18/16