Subtract 4/63 from 30/20
1st number: 1 10/20, 2nd number: 4/63
30/20 - 4/63 is 181/126.
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,
30/20 = 30 × 63/20 × 63 = 1890/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
4/63 = 4 × 20/63 × 20 = 80/1260 - Subtract the two like fractions:
1890/1260 - 80/1260 = 1890 - 80/1260 = 1810/1260 - After reducing the fraction, the answer is 181/126
- In mixed form: 155/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-4/63 30/20-8/63 30/40-4/63 90/20-4/63 30/20-12/63 30/60-4/63 30/20-20/63 30/20-28/63