Add 35/42 and 63/8
1st number: 35/42, 2nd number: 7 7/8
35/42 + 63/8 is 209/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
35/42 = 35 × 4/42 × 4 = 140/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
63/8 = 63 × 21/8 × 21 = 1323/168 - Add the two like fractions:
140/168 + 1323/168 = 140 + 1323/168 = 1463/168 - 1463/168 simplified gives 209/24
- So, 35/42 + 63/8 = 209/24
In mixed form: 817/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+63/8 35/84+63/8 35/42+63/16 35/42+63/24 35/42+63/40 35/42+63/56