Subtract 18/63 from 40/4
1st number: 10 0/4, 2nd number: 18/63
40/4 - 18/63 is 68/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
40/4 = 40 × 63/4 × 63 = 2520/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Subtract the two like fractions:
2520/252 - 72/252 = 2520 - 72/252 = 2448/252 - After reducing the fraction, the answer is 68/7
- In mixed form: 95/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-18/63 40/4-36/63 40/8-18/63 40/4-54/63 40/12-18/63 40/4-90/63 40/20-18/63 40/28-18/63