Add 30/63 and 80/42
1st number: 30/63, 2nd number: 1 38/42
30/63 + 80/42 is 50/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
30/63 = 30 × 2/63 × 2 = 60/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
80/42 = 80 × 3/42 × 3 = 240/126 - Add the two like fractions:
60/126 + 240/126 = 60 + 240/126 = 300/126 - 300/126 simplified gives 50/21
- So, 30/63 + 80/42 = 50/21
In mixed form: 28/21
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