Subtract 14/5 from 84/63
1st number: 1 21/63, 2nd number: 2 4/5
84/63 - 14/5 is -22/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
14/5 = 14 × 63/5 × 63 = 882/315 - Subtract the two like fractions:
420/315 - 882/315 = 420 - 882/315 = -462/315 - After reducing the fraction, the answer is -22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63-28/5 84/63-14/10 84/63-42/5 84/63-14/15 84/63-70/5 84/63-14/25 84/63-98/5 84/63-14/35