Subtract 63/4 from 7/84
1st number: 7/84, 2nd number: 15 3/4
7/84 - 63/4 is -47/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
63/4 = 63 × 21/4 × 21 = 1323/84 - Subtract the two like fractions:
7/84 - 1323/84 = 7 - 1323/84 = -1316/84 - After reducing the fraction, the answer is -47/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84-63/4 7/84-63/8 21/84-63/4 7/84-63/12 35/84-63/4 7/84-63/20 49/84-63/4 7/84-63/28