Add 15/84 and 7/75
15/84 + 7/75 is 571/2100.
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,
15/84 = 15 × 25/84 × 25 = 375/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
7/75 = 7 × 28/75 × 28 = 196/2100 - Add the two like fractions:
375/2100 + 196/2100 = 375 + 196/2100 = 571/2100 - So, 15/84 + 7/75 = 571/2100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84+7/75 15/84+14/75 45/84+7/75 15/84+21/75 75/84+7/75 15/84+35/75 15/84+49/75