Add 40/12 and 42/30
1st number: 3 4/12, 2nd number: 1 12/30
40/12 + 42/30 is 71/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
42/30 = 42 × 2/30 × 2 = 84/60 - Add the two like fractions:
200/60 + 84/60 = 200 + 84/60 = 284/60 - 284/60 simplified gives 71/15
- So, 40/12 + 42/30 = 71/15
In mixed form: 411/15
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