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