Subtract 60/35 from 18/84
1st number: 18/84, 2nd number: 1 25/35
18/84 - 60/35 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
60/35 = 60 × 12/35 × 12 = 720/420 - Subtract the two like fractions:
90/420 - 720/420 = 90 - 720/420 = -630/420 - After reducing the fraction, the answer is -3/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/84-60/35 18/84-60/70 54/84-60/35 90/84-60/35