Subtract 3/27 from 84/30
1st number: 2 24/30, 2nd number: 3/27
84/30 - 3/27 is 121/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
84/30 = 84 × 9/30 × 9 = 756/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
3/27 = 3 × 10/27 × 10 = 30/270 - Subtract the two like fractions:
756/270 - 30/270 = 756 - 30/270 = 726/270 - After reducing the fraction, the answer is 121/45
- In mixed form: 231/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-6/27 84/60-3/27 84/30-3/54 84/30-9/27 84/90-3/27 84/30-3/81 84/30-15/27 84/30-21/27