Add 18/42 and 35/5
1st number: 18/42, 2nd number: 7 0/5
18/42 + 35/5 is 52/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
18/42 = 18 × 5/42 × 5 = 90/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
35/5 = 35 × 42/5 × 42 = 1470/210 - Add the two like fractions:
90/210 + 1470/210 = 90 + 1470/210 = 1560/210 - 1560/210 simplified gives 52/7
- So, 18/42 + 35/5 = 52/7
In mixed form: 73/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42+35/5 18/42+70/5 18/84+35/5 18/42+35/10 54/42+35/5 18/42+35/15 90/42+35/5 18/42+35/25