Subtract 15/70 from 12/48
12/48 - 15/70 is 1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
12/48 = 12 × 35/48 × 35 = 420/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
15/70 = 15 × 24/70 × 24 = 360/1680 - Subtract the two like fractions:
420/1680 - 360/1680 = 420 - 360/1680 = 60/1680 - After reducing the fraction, the answer is 1/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/48-15/70 12/48-30/70 12/96-15/70 36/48-15/70 12/48-45/70 60/48-15/70 12/48-75/70 84/48-15/70