Add 15/75 and 84/45
1st number: 15/75, 2nd number: 1 39/45
15/75 + 84/45 is 31/15.
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,
15/75 = 15 × 3/75 × 3 = 45/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
84/45 = 84 × 5/45 × 5 = 420/225 - Add the two like fractions:
45/225 + 420/225 = 45 + 420/225 = 465/225 - 465/225 simplified gives 31/15
- So, 15/75 + 84/45 = 31/15
In mixed form: 21/15
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