Add 84/42 and 7/75
1st number: 2 0/42, 2nd number: 7/75
84/42 + 7/75 is 157/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
84/42 = 84 × 25/42 × 25 = 2100/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
7/75 = 7 × 14/75 × 14 = 98/1050 - Add the two like fractions:
2100/1050 + 98/1050 = 2100 + 98/1050 = 2198/1050 - 2198/1050 simplified gives 157/75
- So, 84/42 + 7/75 = 157/75
In mixed form: 27/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+14/75 84/42+21/75 84/42+35/75 84/42+49/75