Subtract 90/30 from 4/35
1st number: 4/35, 2nd number: 3 0/30
4/35 - 90/30 is -101/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
4/35 = 4 × 6/35 × 6 = 24/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
90/30 = 90 × 7/30 × 7 = 630/210 - Subtract the two like fractions:
24/210 - 630/210 = 24 - 630/210 = -606/210 - After reducing the fraction, the answer is -101/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/35-90/30 4/70-90/30 4/35-90/60 12/35-90/30 20/35-90/30 28/35-90/30