Add 81/75 and 42/45
1st number: 1 6/75, 2nd number: 42/45
81/75 + 42/45 is 151/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
81/75 = 81 × 3/75 × 3 = 243/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
42/45 = 42 × 5/45 × 5 = 210/225 - Add the two like fractions:
243/225 + 210/225 = 243 + 210/225 = 453/225 - 453/225 simplified gives 151/75
- So, 81/75 + 42/45 = 151/75
In mixed form: 21/75
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