Subtract 90/6 from 90/35
1st number: 2 20/35, 2nd number: 15 0/6
90/35 - 90/6 is -87/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
90/35 = 90 × 6/35 × 6 = 540/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
90/6 = 90 × 35/6 × 35 = 3150/210 - Subtract the two like fractions:
540/210 - 3150/210 = 540 - 3150/210 = -2610/210 - After reducing the fraction, the answer is -87/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-90/6 90/35-90/12 90/35-90/18 90/35-90/30 90/35-90/42