Add 81/60 and 40/25
1st number: 1 21/60, 2nd number: 1 15/25
81/60 + 40/25 is 59/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 60 × 5 = 300,
81/60 = 81 × 5/60 × 5 = 405/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
40/25 = 40 × 12/25 × 12 = 480/300 - Add the two like fractions:
405/300 + 480/300 = 405 + 480/300 = 885/300 - 885/300 simplified gives 59/20
- So, 81/60 + 40/25 = 59/20
In mixed form: 219/20
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