Add 63/84 and 54/5
1st number: 63/84, 2nd number: 10 4/5
63/84 + 54/5 is 231/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
63/84 = 63 × 5/84 × 5 = 315/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
54/5 = 54 × 84/5 × 84 = 4536/420 - Add the two like fractions:
315/420 + 4536/420 = 315 + 4536/420 = 4851/420 - 4851/420 simplified gives 231/20
- So, 63/84 + 54/5 = 231/20
In mixed form: 1111/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/84+54/10 63/84+54/15 63/84+54/25 63/84+54/35