Add 7/15 and 9/84
7/15 + 9/84 is 241/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
7/15 = 7 × 28/15 × 28 = 196/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Add the two like fractions:
196/420 + 45/420 = 196 + 45/420 = 241/420 - So, 7/15 + 9/84 = 241/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+9/84 7/15+18/84 7/30+9/84 21/15+9/84 7/15+27/84 7/45+9/84 35/15+9/84 7/15+45/84 7/75+9/84 49/15+9/84 7/15+63/84