Subtract 3/40 from 35/7
1st number: 5 0/7, 2nd number: 3/40
35/7 - 3/40 is 197/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
35/7 = 35 × 40/7 × 40 = 1400/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
3/40 = 3 × 7/40 × 7 = 21/280 - Subtract the two like fractions:
1400/280 - 21/280 = 1400 - 21/280 = 1379/280 - After reducing the fraction, the answer is 197/40
- In mixed form: 437/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-3/40 35/7-6/40 35/14-3/40 35/7-3/80 35/7-9/40 35/21-3/40 35/7-15/40 35/7-21/40 35/49-3/40