Subtract 49/4 from 84/63
1st number: 1 21/63, 2nd number: 12 1/4
84/63 - 49/4 is -131/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
84/63 = 84 × 4/63 × 4 = 336/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
49/4 = 49 × 63/4 × 63 = 3087/252 - Subtract the two like fractions:
336/252 - 3087/252 = 336 - 3087/252 = -2751/252 - After reducing the fraction, the answer is -131/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63-98/4 84/63-49/8 84/63-49/12 84/63-49/20 84/63-49/28