Subtract 2/10 from 7/63
7/63 - 2/10 is -4/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
2/10 = 2 × 63/10 × 63 = 126/630 - Subtract the two like fractions:
70/630 - 126/630 = 70 - 126/630 = -56/630 - After reducing the fraction, the answer is -4/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/63-2/10 7/63-4/10 7/63-2/20 21/63-2/10 7/63-6/10 7/63-2/30 35/63-2/10 7/63-2/50 49/63-2/10 7/63-14/10 7/63-2/70