Subtract 98/7 from 1/90
1st number: 1/90, 2nd number: 14 0/7
1/90 - 98/7 is -1259/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
1/90 = 1 × 7/90 × 7 = 7/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
98/7 = 98 × 90/7 × 90 = 8820/630 - Subtract the two like fractions:
7/630 - 8820/630 = 7 - 8820/630 = -8813/630 - After reducing the fraction, the answer is -1259/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-98/7 1/90-98/14 3/90-98/7 1/90-98/21 5/90-98/7 1/90-98/35 7/90-98/7 1/90-98/49