Subtract 30/35 from 90/14
1st number: 6 6/14, 2nd number: 30/35
90/14 - 30/35 is 39/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
90/14 = 90 × 5/14 × 5 = 450/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
30/35 = 30 × 2/35 × 2 = 60/70 - Subtract the two like fractions:
450/70 - 60/70 = 450 - 60/70 = 390/70 - After reducing the fraction, the answer is 39/7
- In mixed form: 54/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-60/35 90/28-30/35 90/14-30/70 90/14-90/35 90/42-30/35 90/70-30/35 90/98-30/35