Add 45/12 and 75/28
1st number: 3 9/12, 2nd number: 2 19/28
45/12 + 75/28 is 45/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
45/12 = 45 × 7/12 × 7 = 315/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
75/28 = 75 × 3/28 × 3 = 225/84 - Add the two like fractions:
315/84 + 225/84 = 315 + 225/84 = 540/84 - 540/84 simplified gives 45/7
- So, 45/12 + 75/28 = 45/7
In mixed form: 63/7
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