Subtract 40/45 from 16/35
16/35 - 40/45 is -136/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
16/35 = 16 × 9/35 × 9 = 144/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
40/45 = 40 × 7/45 × 7 = 280/315 - Subtract the two like fractions:
144/315 - 280/315 = 144 - 280/315 = -136/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/35-40/45 16/35-80/45 16/70-40/45 16/35-40/90 48/35-40/45 80/35-40/45