Subtract 40/25 from 70/8
1st number: 8 6/8, 2nd number: 1 15/25
70/8 - 40/25 is 143/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
70/8 = 70 × 25/8 × 25 = 1750/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
40/25 = 40 × 8/25 × 8 = 320/200 - Subtract the two like fractions:
1750/200 - 320/200 = 1750 - 320/200 = 1430/200 - After reducing the fraction, the answer is 143/20
- In mixed form: 73/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-80/25 70/16-40/25 70/8-40/50 70/24-40/25 70/8-40/75 70/40-40/25 70/56-40/25