Subtract 84/48 from 15/30
1st number: 15/30, 2nd number: 1 36/48
15/30 - 84/48 is -5/4.
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,
15/30 = 15 × 8/30 × 8 = 120/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
84/48 = 84 × 5/48 × 5 = 420/240 - Subtract the two like fractions:
120/240 - 420/240 = 120 - 420/240 = -300/240 - After reducing the fraction, the answer is -5/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/60-84/48 15/30-84/96 45/30-84/48 15/90-84/48 75/30-84/48