Add 4/42 and 12/48
4/42 + 12/48 is 29/84.
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,
4/42 = 4 × 8/42 × 8 = 32/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
12/48 = 12 × 7/48 × 7 = 84/336 - Add the two like fractions:
32/336 + 84/336 = 32 + 84/336 = 116/336 - 116/336 simplified gives 29/84
- So, 4/42 + 12/48 = 29/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42+12/48 4/42+24/48 4/84+12/48 4/42+12/96 12/42+12/48 4/42+36/48 20/42+12/48 4/42+60/48 28/42+12/48 4/42+84/48