Subtract 3/15 from 48/70
48/70 - 3/15 is 17/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
48/70 = 48 × 3/70 × 3 = 144/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
3/15 = 3 × 14/15 × 14 = 42/210 - Subtract the two like fractions:
144/210 - 42/210 = 144 - 42/210 = 102/210 - After reducing the fraction, the answer is 17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/70-3/15 48/70-6/15 48/70-3/30 48/70-9/15 48/70-3/45 48/70-3/75 48/70-21/15