Subtract 90/63 from 1/10
1st number: 1/10, 2nd number: 1 27/63
1/10 - 90/63 is -93/70.
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,
1/10 = 1 × 63/10 × 63 = 63/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
90/63 = 90 × 10/63 × 10 = 900/630 - Subtract the two like fractions:
63/630 - 900/630 = 63 - 900/630 = -837/630 - After reducing the fraction, the answer is -93/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/10-90/63 1/20-90/63 3/10-90/63 1/30-90/63 5/10-90/63 1/50-90/63 7/10-90/63 1/70-90/63