Subtract 54/14 from 36/20
1st number: 1 16/20, 2nd number: 3 12/14
36/20 - 54/14 is -72/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
36/20 = 36 × 7/20 × 7 = 252/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
54/14 = 54 × 10/14 × 10 = 540/140 - Subtract the two like fractions:
252/140 - 540/140 = 252 - 540/140 = -288/140 - After reducing the fraction, the answer is -72/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20-54/14 36/40-54/14 36/20-54/28 36/60-54/14 36/20-54/42 36/20-54/70 36/20-54/98