Subtract 4/70 from 18/48
18/48 - 4/70 is 89/280.
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,
18/48 = 18 × 35/48 × 35 = 630/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
4/70 = 4 × 24/70 × 24 = 96/1680 - Subtract the two like fractions:
630/1680 - 96/1680 = 630 - 96/1680 = 534/1680 - After reducing the fraction, the answer is 89/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/48-4/70 18/48-8/70 18/96-4/70 54/48-4/70 18/48-12/70 90/48-4/70 18/48-20/70 18/48-28/70