Subtract 16/10 from 9/84
1st number: 9/84, 2nd number: 1 6/10
9/84 - 16/10 is -209/140.
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,
9/84 = 9 × 5/84 × 5 = 45/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
16/10 = 16 × 42/10 × 42 = 672/420 - Subtract the two like fractions:
45/420 - 672/420 = 45 - 672/420 = -627/420 - After reducing the fraction, the answer is -209/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/84-16/10 9/84-32/10 9/84-16/20 27/84-16/10 9/84-48/10 9/84-16/30 45/84-16/10 9/84-80/10 9/84-16/50 63/84-16/10 9/84-16/70