Add 90/3 and 84/21
1st number: 30 0/3, 2nd number: 4 0/21
90/3 + 84/21 is 34/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
90/3 = 90 × 7/3 × 7 = 630/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
84/21 = 84 × 1/21 × 1 = 84/21 - Add the two like fractions:
630/21 + 84/21 = 630 + 84/21 = 714/21 - 714/21 simplified gives 34/1
- So, 90/3 + 84/21 = 34/1
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