Add 10/84 and 5/75
10/84 + 5/75 is 13/70.
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,
10/84 = 10 × 25/84 × 25 = 250/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
5/75 = 5 × 28/75 × 28 = 140/2100 - Add the two like fractions:
250/2100 + 140/2100 = 250 + 140/2100 = 390/2100 - 390/2100 simplified gives 13/70
- So, 10/84 + 5/75 = 13/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84+5/75 10/84+10/75 30/84+5/75 10/84+15/75 50/84+5/75 10/84+25/75 70/84+5/75 10/84+35/75