Subtract 49/9 from 63/70
1st number: 63/70, 2nd number: 5 4/9
63/70 - 49/9 is -409/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
63/70 = 63 × 9/70 × 9 = 567/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
49/9 = 49 × 70/9 × 70 = 3430/630 - Subtract the two like fractions:
567/630 - 3430/630 = 567 - 3430/630 = -2863/630 - After reducing the fraction, the answer is -409/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70-98/9 63/70-49/18 63/70-49/27 63/70-49/45 63/70-49/63