Add 20/75 and 15/12
1st number: 20/75, 2nd number: 1 3/12
20/75 + 15/12 is 91/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
20/75 = 20 × 4/75 × 4 = 80/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
15/12 = 15 × 25/12 × 25 = 375/300 - Add the two like fractions:
80/300 + 375/300 = 80 + 375/300 = 455/300 - 455/300 simplified gives 91/60
- So, 20/75 + 15/12 = 91/60
In mixed form: 131/60
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