Subtract 72/63 from 2/10
1st number: 2/10, 2nd number: 1 9/63
2/10 - 72/63 is -33/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
2/10 = 2 × 63/10 × 63 = 126/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630 - Subtract the two like fractions:
126/630 - 720/630 = 126 - 720/630 = -594/630 - After reducing the fraction, the answer is -33/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10-72/63 2/20-72/63 6/10-72/63 2/30-72/63 2/50-72/63 14/10-72/63 2/70-72/63