Add 36/80 and 60/81
36/80 + 60/81 is 643/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 81 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 80 × 81 = 6480,
36/80 = 36 × 81/80 × 81 = 2916/6480 - Likewise, for the 2nd fraction, since 81 × 80 = 6480,
60/81 = 60 × 80/81 × 80 = 4800/6480 - Add the two like fractions:
2916/6480 + 4800/6480 = 2916 + 4800/6480 = 7716/6480 - 7716/6480 simplified gives 643/540
- So, 36/80 + 60/81 = 643/540
In mixed form: 1103/540
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