Subtract 2/84 from 28/10
1st number: 2 8/10, 2nd number: 2/84
28/10 - 2/84 is 583/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
28/10 = 28 × 42/10 × 42 = 1176/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Subtract the two like fractions:
1176/420 - 10/420 = 1176 - 10/420 = 1166/420 - After reducing the fraction, the answer is 583/210
- In mixed form: 2163/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-2/84 28/10-4/84 28/20-2/84 84/10-2/84 28/10-6/84 28/30-2/84 28/10-10/84 28/50-2/84 28/10-14/84 28/70-2/84