Add 84/28 and 14/15
1st number: 3 0/28, 2nd number: 14/15
84/28 + 14/15 is 59/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
84/28 = 84 × 15/28 × 15 = 1260/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
14/15 = 14 × 28/15 × 28 = 392/420 - Add the two like fractions:
1260/420 + 392/420 = 1260 + 392/420 = 1652/420 - 1652/420 simplified gives 59/15
- So, 84/28 + 14/15 = 59/15
In mixed form: 314/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+28/15 84/56+14/15 84/28+14/30 84/28+42/15 84/28+14/45 84/28+70/15 84/28+14/75 84/28+98/15