Subtract 90/35 from 12/6
1st number: 2 0/6, 2nd number: 2 20/35
12/6 - 90/35 is -4/7.
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,
12/6 = 12 × 35/6 × 35 = 420/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
90/35 = 90 × 6/35 × 6 = 540/210 - Subtract the two like fractions:
420/210 - 540/210 = 420 - 540/210 = -120/210 - After reducing the fraction, the answer is -4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6-90/35 12/6-90/70 36/6-90/35 12/18-90/35 60/6-90/35 12/30-90/35 84/6-90/35 12/42-90/35