Subtract 15/5 from 35/84
1st number: 35/84, 2nd number: 3 0/5
35/84 - 15/5 is -31/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
15/5 = 15 × 84/5 × 84 = 1260/420 - Subtract the two like fractions:
175/420 - 1260/420 = 175 - 1260/420 = -1085/420 - After reducing the fraction, the answer is -31/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-15/5 35/84-30/5 35/84-15/10 35/84-45/5 35/84-75/5 35/84-15/25 35/84-15/35