Subtract 8/70 from 28/48
28/48 - 8/70 is 197/420.
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,
28/48 = 28 × 35/48 × 35 = 980/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
8/70 = 8 × 24/70 × 24 = 192/1680 - Subtract the two like fractions:
980/1680 - 192/1680 = 980 - 192/1680 = 788/1680 - After reducing the fraction, the answer is 197/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48-8/70 28/48-16/70 28/96-8/70 84/48-8/70 28/48-24/70 28/48-40/70 28/48-56/70