Add 75/42 and 3/84
1st number: 1 33/42, 2nd number: 3/84
75/42 + 3/84 is 51/28.
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,
75/42 = 75 × 2/42 × 2 = 150/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
3/84 = 3 × 1/84 × 1 = 3/84 - Add the two like fractions:
150/84 + 3/84 = 150 + 3/84 = 153/84 - 153/84 simplified gives 51/28
- So, 75/42 + 3/84 = 51/28
In mixed form: 123/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42+6/84 75/84+3/84 75/42+9/84 75/42+15/84 75/42+21/84