Add 60/81 and 21/36
60/81 + 21/36 is 143/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
60/81 = 60 × 4/81 × 4 = 240/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
21/36 = 21 × 9/36 × 9 = 189/324 - Add the two like fractions:
240/324 + 189/324 = 240 + 189/324 = 429/324 - 429/324 simplified gives 143/108
- So, 60/81 + 21/36 = 143/108
In mixed form: 135/108
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