Add 18/42 and 1/30
18/42 + 1/30 is 97/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 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 30 × 7 = 210,
1/30 = 1 × 7/30 × 7 = 7/210 - Add the two like fractions:
90/210 + 7/210 = 90 + 7/210 = 97/210 - So, 18/42 + 1/30 = 97/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42+1/30 18/42+2/30 18/84+1/30 18/42+1/60 54/42+1/30 18/42+3/30 18/42+1/90 90/42+1/30 18/42+5/30 18/42+7/30