Add 20/42 and 3/48
20/42 + 3/48 is 181/336.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
20/42 = 20 × 8/42 × 8 = 160/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
3/48 = 3 × 7/48 × 7 = 21/336 - Add the two like fractions:
160/336 + 21/336 = 160 + 21/336 = 181/336 - So, 20/42 + 3/48 = 181/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/42+3/48 20/42+6/48 20/84+3/48 20/42+3/96 60/42+3/48 20/42+9/48 20/42+15/48 20/42+21/48