Subtract 16/63 from 70/20
1st number: 3 10/20, 2nd number: 16/63
70/20 - 16/63 is 409/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
70/20 = 70 × 63/20 × 63 = 4410/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
16/63 = 16 × 20/63 × 20 = 320/1260 - Subtract the two like fractions:
4410/1260 - 320/1260 = 4410 - 320/1260 = 4090/1260 - After reducing the fraction, the answer is 409/126
- In mixed form: 331/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-32/63 70/40-16/63 70/20-48/63 70/60-16/63 70/20-80/63