Subtract 20/18 from 24/7
1st number: 3 3/7, 2nd number: 1 2/18
24/7 - 20/18 is 146/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
24/7 = 24 × 18/7 × 18 = 432/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126 - Subtract the two like fractions:
432/126 - 140/126 = 432 - 140/126 = 292/126 - After reducing the fraction, the answer is 146/63
- In mixed form: 220/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/7-20/18 24/7-40/18 24/14-20/18 24/7-20/36 72/7-20/18 24/7-60/18 24/21-20/18 24/7-20/54 24/35-20/18 24/7-20/90 24/49-20/18