Add 98/28 and 90/15
1st number: 3 14/28, 2nd number: 6 0/15
98/28 + 90/15 is 19/2.
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,
98/28 = 98 × 15/28 × 15 = 1470/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
90/15 = 90 × 28/15 × 28 = 2520/420 - Add the two like fractions:
1470/420 + 2520/420 = 1470 + 2520/420 = 3990/420 - 3990/420 simplified gives 19/2
- So, 98/28 + 90/15 = 19/2
In mixed form: 91/2
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