Subtract 1/84 from 60/90
60/90 - 1/84 is 55/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
60/90 = 60 × 14/90 × 14 = 840/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
1/84 = 1 × 15/84 × 15 = 15/1260 - Subtract the two like fractions:
840/1260 - 15/1260 = 840 - 15/1260 = 825/1260 - After reducing the fraction, the answer is 55/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90-2/84 60/90-3/84 60/90-5/84 60/90-7/84