Subtract 90/60 from 8/35
1st number: 8/35, 2nd number: 1 30/60
8/35 - 90/60 is -89/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
8/35 = 8 × 12/35 × 12 = 96/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Subtract the two like fractions:
96/420 - 630/420 = 96 - 630/420 = -534/420 - After reducing the fraction, the answer is -89/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/35-90/60 8/70-90/60 24/35-90/60 40/35-90/60 56/35-90/60