Add 45/81 and 60/72
45/81 + 60/72 is 25/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 72 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
45/81 = 45 × 8/81 × 8 = 360/648 - Likewise, for the 2nd fraction, since 72 × 9 = 648,
60/72 = 60 × 9/72 × 9 = 540/648 - Add the two like fractions:
360/648 + 540/648 = 360 + 540/648 = 900/648 - 900/648 simplified gives 25/18
- So, 45/81 + 60/72 = 25/18
In mixed form: 17/18
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