Add 81/60 and 1/25
1st number: 1 21/60, 2nd number: 1/25
81/60 + 1/25 is 139/100.
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,
1/25 = 1 × 12/25 × 12 = 12/300 - Add the two like fractions:
405/300 + 12/300 = 405 + 12/300 = 417/300 - 417/300 simplified gives 139/100
- So, 81/60 + 1/25 = 139/100
In mixed form: 139/100
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