Add 45/12 and 72/75
1st number: 3 9/12, 2nd number: 72/75
45/12 + 72/75 is 471/100.
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,
72/75 = 72 × 4/75 × 4 = 288/300 - Add the two like fractions:
1125/300 + 288/300 = 1125 + 288/300 = 1413/300 - 1413/300 simplified gives 471/100
- So, 45/12 + 72/75 = 471/100
In mixed form: 471/100
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