Subtract 84/63 from 1/2
1st number: 1/2, 2nd number: 1 21/63
1/2 - 84/63 is -5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
1/2 = 1 × 63/2 × 63 = 63/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Subtract the two like fractions:
63/126 - 168/126 = 63 - 168/126 = -105/126 - After reducing the fraction, the answer is -5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/4-84/63 3/2-84/63 1/6-84/63 5/2-84/63 1/10-84/63 7/2-84/63 1/14-84/63