Subtract 30/70 from 4/48
4/48 - 30/70 is -29/84.
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,
4/48 = 4 × 35/48 × 35 = 140/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
30/70 = 30 × 24/70 × 24 = 720/1680 - Subtract the two like fractions:
140/1680 - 720/1680 = 140 - 720/1680 = -580/1680 - After reducing the fraction, the answer is -29/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/48-30/70 4/48-60/70 4/96-30/70 12/48-30/70 4/48-90/70 20/48-30/70 28/48-30/70