Add 1/15 and 18/84
1/15 + 18/84 is 59/210.
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,
1/15 = 1 × 28/15 × 28 = 28/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Add the two like fractions:
28/420 + 90/420 = 28 + 90/420 = 118/420 - 118/420 simplified gives 59/210
- So, 1/15 + 18/84 = 59/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+18/84 1/15+36/84 1/30+18/84 3/15+18/84 1/15+54/84 1/45+18/84 5/15+18/84 1/15+90/84 1/75+18/84 7/15+18/84