Add 7/84 and 84/75
1st number: 7/84, 2nd number: 1 9/75
7/84 + 84/75 is 361/300.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
7/84 = 7 × 25/84 × 25 = 175/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
84/75 = 84 × 28/75 × 28 = 2352/2100 - Add the two like fractions:
175/2100 + 2352/2100 = 175 + 2352/2100 = 2527/2100 - 2527/2100 simplified gives 361/300
- So, 7/84 + 84/75 = 361/300
In mixed form: 161/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+84/75 21/84+84/75 35/84+84/75 49/84+84/75