Subtract 20/63 from 70/4
1st number: 17 2/4, 2nd number: 20/63
70/4 - 20/63 is 2165/126.
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,
70/4 = 70 × 63/4 × 63 = 4410/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Subtract the two like fractions:
4410/252 - 80/252 = 4410 - 80/252 = 4330/252 - After reducing the fraction, the answer is 2165/126
- In mixed form: 1723/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-40/63 70/8-20/63 70/4-60/63 70/12-20/63 70/20-20/63 70/28-20/63