Subtract 7/40 from 18/16
1st number: 1 2/16, 2nd number: 7/40
18/16 - 7/40 is 19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
18/16 = 18 × 5/16 × 5 = 90/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
7/40 = 7 × 2/40 × 2 = 14/80 - Subtract the two like fractions:
90/80 - 14/80 = 90 - 14/80 = 76/80 - After reducing the fraction, the answer is 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16-7/40 18/16-14/40 18/32-7/40 18/16-7/80 54/16-7/40 18/16-21/40 18/48-7/40 90/16-7/40 18/16-35/40 18/80-7/40 18/16-49/40