Add 8/42 and 18/36
8/42 + 18/36 is 29/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
8/42 = 8 × 6/42 × 6 = 48/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Add the two like fractions:
48/252 + 126/252 = 48 + 126/252 = 174/252 - 174/252 simplified gives 29/42
- So, 8/42 + 18/36 = 29/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+18/36 8/84+18/36 8/42+18/72 24/42+18/36 8/42+54/36 40/42+18/36 8/42+90/36 56/42+18/36