Add 70/84 and 10/75
70/84 + 10/75 is 29/30.
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,
70/84 = 70 × 25/84 × 25 = 1750/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
10/75 = 10 × 28/75 × 28 = 280/2100 - Add the two like fractions:
1750/2100 + 280/2100 = 1750 + 280/2100 = 2030/2100 - 2030/2100 simplified gives 29/30
- So, 70/84 + 10/75 = 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+20/75 70/84+30/75 70/84+50/75 70/84+70/75