Add 16/42 and 40/18
1st number: 16/42, 2nd number: 2 4/18
16/42 + 40/18 is 164/63.
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,
40/18 = 40 × 7/18 × 7 = 280/126 - Add the two like fractions:
48/126 + 280/126 = 48 + 280/126 = 328/126 - 328/126 simplified gives 164/63
- So, 16/42 + 40/18 = 164/63
In mixed form: 238/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42+40/18 16/42+80/18 16/84+40/18 16/42+40/36 48/42+40/18 16/42+40/54 80/42+40/18 16/42+40/90