Add 20/42 and 1/36
20/42 + 1/36 is 127/252.
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,
20/42 = 20 × 6/42 × 6 = 120/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
1/36 = 1 × 7/36 × 7 = 7/252 - Add the two like fractions:
120/252 + 7/252 = 120 + 7/252 = 127/252 - So, 20/42 + 1/36 = 127/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/42+1/36 20/42+2/36 20/84+1/36 20/42+1/72 60/42+1/36 20/42+3/36 20/42+5/36 20/42+7/36