Subtract 70/63 from 24/12
1st number: 2 0/12, 2nd number: 1 7/63
24/12 - 70/63 is 8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
24/12 = 24 × 21/12 × 21 = 504/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
70/63 = 70 × 4/63 × 4 = 280/252 - Subtract the two like fractions:
504/252 - 280/252 = 504 - 280/252 = 224/252 - After reducing the fraction, the answer is 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/12-70/63 72/12-70/63 24/36-70/63 24/60-70/63 24/84-70/63