Add 70/12 and 30/15
1st number: 5 10/12, 2nd number: 2 0/15
70/12 + 30/15 is 47/6.
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,
70/12 = 70 × 5/12 × 5 = 350/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
30/15 = 30 × 4/15 × 4 = 120/60 - Add the two like fractions:
350/60 + 120/60 = 350 + 120/60 = 470/60 - 470/60 simplified gives 47/6
- So, 70/12 + 30/15 = 47/6
In mixed form: 75/6
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