Add 70/75 and 10/84
70/75 + 10/84 is 221/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
70/75 = 70 × 28/75 × 28 = 1960/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
10/84 = 10 × 25/84 × 25 = 250/2100 - Add the two like fractions:
1960/2100 + 250/2100 = 1960 + 250/2100 = 2210/2100 - 2210/2100 simplified gives 221/210
- So, 70/75 + 10/84 = 221/210
In mixed form: 111/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75+20/84 70/75+30/84 70/75+50/84 70/75+70/84