Subtract 18/35 from 36/40
36/40 - 18/35 is 27/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
18/35 = 18 × 8/35 × 8 = 144/280 - Subtract the two like fractions:
252/280 - 144/280 = 252 - 144/280 = 108/280 - After reducing the fraction, the answer is 27/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40-18/35 36/40-36/35 36/80-18/35 36/40-18/70 36/40-54/35 36/40-90/35