Add 98/84 and 27/15
1st number: 1 14/84, 2nd number: 1 12/15
98/84 + 27/15 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
98/84 = 98 × 5/84 × 5 = 490/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
27/15 = 27 × 28/15 × 28 = 756/420 - Add the two like fractions:
490/420 + 756/420 = 490 + 756/420 = 1246/420 - 1246/420 simplified gives 89/30
- So, 98/84 + 27/15 = 89/30
In mixed form: 229/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/84+54/15 98/84+27/30 98/84+81/15 98/84+27/45 98/84+27/75