Subtract 2/84 from 10/30
10/30 - 2/84 is 13/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
10/30 = 10 × 14/30 × 14 = 140/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Subtract the two like fractions:
140/420 - 10/420 = 140 - 10/420 = 130/420 - After reducing the fraction, the answer is 13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30-2/84 10/30-4/84 10/60-2/84 10/30-6/84 10/90-2/84 50/30-2/84 10/30-10/84 70/30-2/84 10/30-14/84