Add 70/84 and 7/75
70/84 + 7/75 is 139/150.
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,
7/75 = 7 × 28/75 × 28 = 196/2100 - Add the two like fractions:
1750/2100 + 196/2100 = 1750 + 196/2100 = 1946/2100 - 1946/2100 simplified gives 139/150
- So, 70/84 + 7/75 = 139/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+14/75 70/84+21/75 70/84+35/75 70/84+49/75