Subtract 16/70 from 49/40
1st number: 1 9/40, 2nd number: 16/70
49/40 - 16/70 is 279/280.
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,
16/70 = 16 × 4/70 × 4 = 64/280 - Subtract the two like fractions:
343/280 - 64/280 = 343 - 64/280 = 279/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40-16/70 49/40-32/70 49/80-16/70 49/40-48/70 49/40-80/70