Add 6/42 and 45/84
6/42 + 45/84 is 19/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
6/42 = 6 × 2/42 × 2 = 12/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Add the two like fractions:
12/84 + 45/84 = 12 + 45/84 = 57/84 - 57/84 simplified gives 19/28
- So, 6/42 + 45/84 = 19/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42+45/84 6/42+90/84 6/84+45/84 18/42+45/84 30/42+45/84