Subtract 25/48 from 12/30
12/30 - 25/48 is -29/240.
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,
25/48 = 25 × 5/48 × 5 = 125/240 - Subtract the two like fractions:
96/240 - 125/240 = 96 - 125/240 = -29/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30-25/48 12/30-50/48 12/60-25/48 12/30-25/96 36/30-25/48 12/30-75/48 12/90-25/48 60/30-25/48 84/30-25/48