Add 21/6 and 90/28
1st number: 3 3/6, 2nd number: 3 6/28
216 + 9028 is 477.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
216 = 21 × 146 × 14 = 29484 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
9028 = 90 × 328 × 3 = 27084 - Add the two like fractions:
29484 + 27084 = 294 + 27084 = 56484 - 564/84 simplified gives 477
- So, 21/6 + 90/28 = 47/7
In mixed form: 657
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