Subtract 30/36 from 84/15
1st number: 5 9/15, 2nd number: 30/36
84/15 - 30/36 is 143/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
84/15 = 84 × 12/15 × 12 = 1008/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Subtract the two like fractions:
1008/180 - 150/180 = 1008 - 150/180 = 858/180 - After reducing the fraction, the answer is 143/30
- In mixed form: 423/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15-60/36 84/30-30/36 84/15-30/72 84/15-90/36 84/45-30/36 84/75-30/36