Add 90/21 and 84/98
1st number: 4 6/21, 2nd number: 84/98
90/21 + 84/98 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
90/21 = 90 × 14/21 × 14 = 1260/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
84/98 = 84 × 3/98 × 3 = 252/294 - Add the two like fractions:
1260/294 + 252/294 = 1260 + 252/294 = 1512/294 - 1512/294 simplified gives 36/7
- So, 90/21 + 84/98 = 36/7
In mixed form: 51/7
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