Add 63/8 and 18/84
1st number: 7 7/8, 2nd number: 18/84
63/8 + 18/84 is 453/56.
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,
63/8 = 63 × 21/8 × 21 = 1323/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
18/84 = 18 × 2/84 × 2 = 36/168 - Add the two like fractions:
1323/168 + 36/168 = 1323 + 36/168 = 1359/168 - 1359/168 simplified gives 453/56
- So, 63/8 + 18/84 = 453/56
In mixed form: 85/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+36/84 63/16+18/84 63/8+54/84 63/24+18/84 63/8+90/84 63/40+18/84 63/56+18/84