Subtract 1/30 from 84/36
1st number: 2 12/36, 2nd number: 1/30
84/36 - 1/30 is 23/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
84/36 = 84 × 5/36 × 5 = 420/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
1/30 = 1 × 6/30 × 6 = 6/180 - Subtract the two like fractions:
420/180 - 6/180 = 420 - 6/180 = 414/180 - After reducing the fraction, the answer is 23/10
- In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36-2/30 84/72-1/30 84/36-1/60 84/36-3/30 84/36-1/90 84/36-5/30 84/36-7/30