Add 30/15 and 63/12
1st number: 2 0/15, 2nd number: 5 3/12
30/15 + 63/12 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
30/15 = 30 × 4/15 × 4 = 120/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60 - Add the two like fractions:
120/60 + 315/60 = 120 + 315/60 = 435/60 - 435/60 simplified gives 29/4
- So, 30/15 + 63/12 = 29/4
In mixed form: 71/4
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