Subtract 90/30 from 35/8
1st number: 4 3/8, 2nd number: 3 0/30
35/8 - 90/30 is 11/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
35/8 = 35 × 15/8 × 15 = 525/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
90/30 = 90 × 4/30 × 4 = 360/120 - Subtract the two like fractions:
525/120 - 360/120 = 525 - 360/120 = 165/120 - After reducing the fraction, the answer is 11/8
- In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-90/30 35/16-90/30 35/8-90/60 35/24-90/30 35/40-90/30 35/56-90/30