Add 54/8 and 63/84
1st number: 6 6/8, 2nd number: 63/84
54/8 + 63/84 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
54/8 = 54 × 21/8 × 21 = 1134/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
63/84 = 63 × 2/84 × 2 = 126/168 - Add the two like fractions:
1134/168 + 126/168 = 1134 + 126/168 = 1260/168 - 1260/168 simplified gives 15/2
- So, 54/8 + 63/84 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/16+63/84 54/24+63/84 54/40+63/84 54/56+63/84