Subtract 84/35 from 15/20
1st number: 15/20, 2nd number: 2 14/35
15/20 - 84/35 is -33/20.
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,
15/20 = 15 × 7/20 × 7 = 105/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
84/35 = 84 × 4/35 × 4 = 336/140 - Subtract the two like fractions:
105/140 - 336/140 = 105 - 336/140 = -231/140 - After reducing the fraction, the answer is -33/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20-84/35 15/40-84/35 15/20-84/70 45/20-84/35 15/60-84/35 75/20-84/35