Subtract 70/18 from 24/63
1st number: 24/63, 2nd number: 3 16/18
24/63 - 70/18 is -221/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
24/63 = 24 × 2/63 × 2 = 48/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
70/18 = 70 × 7/18 × 7 = 490/126 - Subtract the two like fractions:
48/126 - 490/126 = 48 - 490/126 = -442/126 - After reducing the fraction, the answer is -221/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/63-70/18 24/63-70/36 72/63-70/18 24/63-70/54 24/63-70/90