Add 36/42 and 42/8
1st number: 36/42, 2nd number: 5 2/8
36/42 + 42/8 is 171/28.
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,
36/42 = 36 × 4/42 × 4 = 144/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
42/8 = 42 × 21/8 × 21 = 882/168 - Add the two like fractions:
144/168 + 882/168 = 144 + 882/168 = 1026/168 - 1026/168 simplified gives 171/28
- So, 36/42 + 42/8 = 171/28
In mixed form: 63/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42+42/8 36/42+84/8 36/84+42/8 36/42+42/16 36/42+42/24 36/42+42/40 36/42+42/56