Subtract 4/90 from 8/35
8/35 - 4/90 is 58/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
8/35 = 8 × 18/35 × 18 = 144/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
4/90 = 4 × 7/90 × 7 = 28/630 - Subtract the two like fractions:
144/630 - 28/630 = 144 - 28/630 = 116/630 - After reducing the fraction, the answer is 58/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/35-4/90 8/35-8/90 8/70-4/90 24/35-4/90 8/35-12/90 40/35-4/90 8/35-20/90 56/35-4/90 8/35-28/90