Add 12/42 and 4/48
12/42 + 4/48 is 31/84.
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,
12/42 = 12 × 8/42 × 8 = 96/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
4/48 = 4 × 7/48 × 7 = 28/336 - Add the two like fractions:
96/336 + 28/336 = 96 + 28/336 = 124/336 - 124/336 simplified gives 31/84
- So, 12/42 + 4/48 = 31/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42+4/48 12/42+8/48 12/84+4/48 12/42+4/96 36/42+4/48 12/42+12/48 60/42+4/48 12/42+20/48 84/42+4/48 12/42+28/48