Subtract 70/40 from 75/35
1st number: 2 5/35, 2nd number: 1 30/40
75/35 - 70/40 is 11/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
75/35 = 75 × 8/35 × 8 = 600/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Subtract the two like fractions:
600/280 - 490/280 = 600 - 490/280 = 110/280 - After reducing the fraction, the answer is 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/70-70/40 75/35-70/80