Subtract 63/84 from 35/63
35/63 - 63/84 is -7/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
35/63 = 35 × 4/63 × 4 = 140/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
63/84 = 63 × 3/84 × 3 = 189/252 - Subtract the two like fractions:
140/252 - 189/252 = 140 - 189/252 = -49/252 - After reducing the fraction, the answer is -7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63-63/84