Add 45/12 and 75/15
1st number: 3 9/12, 2nd number: 5 0/15
45/12 + 75/15 is 35/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
75/15 = 75 × 4/15 × 4 = 300/60 - Add the two like fractions:
225/60 + 300/60 = 225 + 300/60 = 525/60 - 525/60 simplified gives 35/4
- So, 45/12 + 75/15 = 35/4
In mixed form: 83/4
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