Add 81/25 and 42/18
1st number: 3 6/25, 2nd number: 2 6/18
81/25 + 42/18 is 418/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 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 18 × 25 = 450,
42/18 = 42 × 25/18 × 25 = 1050/450 - Add the two like fractions:
1458/450 + 1050/450 = 1458 + 1050/450 = 2508/450 - 2508/450 simplified gives 418/75
- So, 81/25 + 42/18 = 418/75
In mixed form: 543/75
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