Subtract 40/35 from 16/20
1st number: 16/20, 2nd number: 1 5/35
16/20 - 40/35 is -12/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
16/20 = 16 × 7/20 × 7 = 112/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
40/35 = 40 × 4/35 × 4 = 160/140 - Subtract the two like fractions:
112/140 - 160/140 = 112 - 160/140 = -48/140 - After reducing the fraction, the answer is -12/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20-40/35 16/20-80/35 16/40-40/35 16/20-40/70 48/20-40/35 16/60-40/35 80/20-40/35