Subtract 1/63 from 30/20
1st number: 1 10/20, 2nd number: 1/63
30/20 - 1/63 is 187/126.
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,
1/63 = 1 × 20/63 × 20 = 20/1260 - Subtract the two like fractions:
1890/1260 - 20/1260 = 1890 - 20/1260 = 1870/1260 - After reducing the fraction, the answer is 187/126
- In mixed form: 161/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-1/63 30/20-2/63 30/40-1/63 90/20-1/63 30/20-3/63 30/60-1/63 30/20-5/63 30/20-7/63