Subtract 15/10 from 14/84
1st number: 14/84, 2nd number: 1 5/10
14/84 - 15/10 is -4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
14/84 = 14 × 5/84 × 5 = 70/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
15/10 = 15 × 42/10 × 42 = 630/420 - Subtract the two like fractions:
70/420 - 630/420 = 70 - 630/420 = -560/420 - After reducing the fraction, the answer is -4/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84-15/10 14/84-30/10 14/84-15/20 42/84-15/10 14/84-45/10 14/84-15/30 70/84-15/10 14/84-75/10 14/84-15/50 98/84-15/10 14/84-15/70