Add 75/12 and 21/15
1st number: 6 3/12, 2nd number: 1 6/15
75/12 + 21/15 is 153/20.
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,
75/12 = 75 × 5/12 × 5 = 375/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
21/15 = 21 × 4/15 × 4 = 84/60 - Add the two like fractions:
375/60 + 84/60 = 375 + 84/60 = 459/60 - 459/60 simplified gives 153/20
- So, 75/12 + 21/15 = 153/20
In mixed form: 713/20
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