Subtract 84/48 from 27/30
1st number: 27/30, 2nd number: 1 36/48
27/30 - 84/48 is -17/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
27/30 = 27 × 8/30 × 8 = 216/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
84/48 = 84 × 5/48 × 5 = 420/240 - Subtract the two like fractions:
216/240 - 420/240 = 216 - 420/240 = -204/240 - After reducing the fraction, the answer is -17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30-84/48 27/60-84/48 27/30-84/96 81/30-84/48 27/90-84/48