Subtract 45/35 from 2/90
1st number: 2/90, 2nd number: 1 10/35
2/90 - 45/35 is -398/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
45/35 = 45 × 18/35 × 18 = 810/630 - Subtract the two like fractions:
14/630 - 810/630 = 14 - 810/630 = -796/630 - After reducing the fraction, the answer is -398/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90-45/35 2/90-90/35 2/90-45/70 6/90-45/35 10/90-45/35 14/90-45/35