Add 60/81 and 70/72
60/81 + 70/72 is 185/108.
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,
60/81 = 60 × 8/81 × 8 = 480/648 - Likewise, for the 2nd fraction, since 72 × 9 = 648,
70/72 = 70 × 9/72 × 9 = 630/648 - Add the two like fractions:
480/648 + 630/648 = 480 + 630/648 = 1110/648 - 1110/648 simplified gives 185/108
- So, 60/81 + 70/72 = 185/108
In mixed form: 177/108
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