Subtract 4/48 from 15/70
15/70 - 4/48 is 11/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 70 × 24 = 1680,
15/70 = 15 × 24/70 × 24 = 360/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
4/48 = 4 × 35/48 × 35 = 140/1680 - Subtract the two like fractions:
360/1680 - 140/1680 = 360 - 140/1680 = 220/1680 - After reducing the fraction, the answer is 11/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70-4/48 15/70-8/48 15/70-4/96 45/70-4/48 15/70-12/48 75/70-4/48 15/70-20/48 15/70-28/48