Subtract 45/84 from 36/30
1st number: 1 6/30, 2nd number: 45/84
36/30 - 45/84 is 93/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
36/30 = 36 × 14/30 × 14 = 504/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Subtract the two like fractions:
504/420 - 225/420 = 504 - 225/420 = 279/420 - After reducing the fraction, the answer is 93/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30-45/84 36/30-90/84 36/60-45/84 36/90-45/84