Add 12/20 and 81/75
1st number: 12/20, 2nd number: 1 6/75
12/20 + 81/75 is 42/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
12/20 = 12 × 15/20 × 15 = 180/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
81/75 = 81 × 4/75 × 4 = 324/300 - Add the two like fractions:
180/300 + 324/300 = 180 + 324/300 = 504/300 - 504/300 simplified gives 42/25
- So, 12/20 + 81/75 = 42/25
In mixed form: 117/25
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