Subtract 49/4 from 70/63
1st number: 1 7/63, 2nd number: 12 1/4
70/63 - 49/4 is -401/36.
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,
70/63 = 70 × 4/63 × 4 = 280/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
49/4 = 49 × 63/4 × 63 = 3087/252 - Subtract the two like fractions:
280/252 - 3087/252 = 280 - 3087/252 = -2807/252 - After reducing the fraction, the answer is -401/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63-98/4 70/63-49/8 70/63-49/12 70/63-49/20 70/63-49/28