Subtract 12/70 from 30/48
30/48 - 12/70 is 127/280.
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,
30/48 = 30 × 35/48 × 35 = 1050/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
12/70 = 12 × 24/70 × 24 = 288/1680 - Subtract the two like fractions:
1050/1680 - 288/1680 = 1050 - 288/1680 = 762/1680 - After reducing the fraction, the answer is 127/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/48-12/70 30/48-24/70 30/96-12/70 90/48-12/70 30/48-36/70 30/48-60/70 30/48-84/70