Add 49/42 and 36/18
1st number: 1 7/42, 2nd number: 2 0/18
49/42 + 36/18 is 19/6.
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,
49/42 = 49 × 3/42 × 3 = 147/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
36/18 = 36 × 7/18 × 7 = 252/126 - Add the two like fractions:
147/126 + 252/126 = 147 + 252/126 = 399/126 - 399/126 simplified gives 19/6
- So, 49/42 + 36/18 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42+36/18 49/42+72/18 49/84+36/18 49/42+36/54 49/42+36/90