Add 16/42 and 48/18
1st number: 16/42, 2nd number: 2 12/18
16/42 + 48/18 is 64/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
16/42 = 16 × 3/42 × 3 = 48/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
48/18 = 48 × 7/18 × 7 = 336/126 - Add the two like fractions:
48/126 + 336/126 = 48 + 336/126 = 384/126 - 384/126 simplified gives 64/21
- So, 16/42 + 48/18 = 64/21
In mixed form: 31/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42+48/18 16/42+96/18 16/84+48/18 16/42+48/36 48/42+48/18 16/42+48/54 80/42+48/18 16/42+48/90