Add 15/42 and 4/48
15/42 + 4/48 is 37/84.
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,
15/42 = 15 × 8/42 × 8 = 120/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
4/48 = 4 × 7/48 × 7 = 28/336 - Add the two like fractions:
120/336 + 28/336 = 120 + 28/336 = 148/336 - 148/336 simplified gives 37/84
- So, 15/42 + 4/48 = 37/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/42+4/48 15/42+8/48 15/84+4/48 15/42+4/96 45/42+4/48 15/42+12/48 75/42+4/48 15/42+20/48 15/42+28/48