Add 90/25 and 84/45
1st number: 3 15/25, 2nd number: 1 39/45
90/25 + 84/45 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
90/25 = 90 × 9/25 × 9 = 810/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
84/45 = 84 × 5/45 × 5 = 420/225 - Add the two like fractions:
810/225 + 420/225 = 810 + 420/225 = 1230/225 - 1230/225 simplified gives 82/15
- So, 90/25 + 84/45 = 82/15
In mixed form: 57/15
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