Add 35/42 and 9/8
1st number: 35/42, 2nd number: 1 1/8
35/42 + 9/8 is 47/24.
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,
9/8 = 9 × 21/8 × 21 = 189/168 - Add the two like fractions:
140/168 + 189/168 = 140 + 189/168 = 329/168 - 329/168 simplified gives 47/24
- So, 35/42 + 9/8 = 47/24
In mixed form: 123/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+9/8 35/42+18/8 35/84+9/8 35/42+9/16 35/42+27/8 35/42+9/24 35/42+45/8 35/42+9/40 35/42+63/8 35/42+9/56