Add 30/20 and 63/4
1st number: 1 10/20, 2nd number: 15 3/4
30/20 + 63/4 is 69/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Add the two like fractions:
30/20 + 315/20 = 30 + 315/20 = 345/20 - 345/20 simplified gives 69/4
- So, 30/20 + 63/4 = 69/4
In mixed form: 171/4
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