Subtract 90/35 from 4/6
1st number: 4/6, 2nd number: 2 20/35
4/6 - 90/35 is -40/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
4/6 = 4 × 35/6 × 35 = 140/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
90/35 = 90 × 6/35 × 6 = 540/210 - Subtract the two like fractions:
140/210 - 540/210 = 140 - 540/210 = -400/210 - After reducing the fraction, the answer is -40/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/6-90/35 4/12-90/35 4/6-90/70 12/6-90/35 4/18-90/35 20/6-90/35 4/30-90/35 28/6-90/35 4/42-90/35