Subtract 84/48 from 12/30
1st number: 12/30, 2nd number: 1 36/48
12/30 - 84/48 is -27/20.
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,
12/30 = 12 × 8/30 × 8 = 96/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
84/48 = 84 × 5/48 × 5 = 420/240 - Subtract the two like fractions:
96/240 - 420/240 = 96 - 420/240 = -324/240 - After reducing the fraction, the answer is -27/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30-84/48 12/60-84/48 12/30-84/96 36/30-84/48 12/90-84/48 60/30-84/48 84/30-84/48