Add 45/12 and 15/75
1st number: 3 9/12, 2nd number: 15/75
45/12 + 15/75 is 79/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
45/12 = 45 × 25/12 × 25 = 1125/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
15/75 = 15 × 4/75 × 4 = 60/300 - Add the two like fractions:
1125/300 + 60/300 = 1125 + 60/300 = 1185/300 - 1185/300 simplified gives 79/20
- So, 45/12 + 15/75 = 79/20
In mixed form: 319/20
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