Subtract 90/42 from 84/35
1st number: 2 14/35, 2nd number: 2 6/42
84/35 - 90/42 is 9/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
84/35 = 84 × 6/35 × 6 = 504/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
90/42 = 90 × 5/42 × 5 = 450/210 - Subtract the two like fractions:
504/210 - 450/210 = 504 - 450/210 = 54/210 - After reducing the fraction, the answer is 9/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70-90/42 84/35-90/84