Subtract 63/4 from 84/30
1st number: 2 24/30, 2nd number: 15 3/4
84/30 - 63/4 is -259/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
84/30 = 84 × 2/30 × 2 = 168/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
63/4 = 63 × 15/4 × 15 = 945/60 - Subtract the two like fractions:
168/60 - 945/60 = 168 - 945/60 = -777/60 - After reducing the fraction, the answer is -259/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60-63/4 84/30-63/8 84/90-63/4 84/30-63/12 84/30-63/20 84/30-63/28