Add 81/25 and 84/90
1st number: 3 6/25, 2nd number: 84/90
81/25 + 84/90 is 313/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
81/25 = 81 × 18/25 × 18 = 1458/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
84/90 = 84 × 5/90 × 5 = 420/450 - Add the two like fractions:
1458/450 + 420/450 = 1458 + 420/450 = 1878/450 - 1878/450 simplified gives 313/75
- So, 81/25 + 84/90 = 313/75
In mixed form: 413/75
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