Subtract 36/70 from 49/40
1st number: 1 9/40, 2nd number: 36/70
49/40 - 36/70 is 199/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
49/40 = 49 × 7/40 × 7 = 343/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
36/70 = 36 × 4/70 × 4 = 144/280 - Subtract the two like fractions:
343/280 - 144/280 = 343 - 144/280 = 199/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40-36/70 49/40-72/70 49/80-36/70