Add 80/4 and 40/42
1st number: 20 0/4, 2nd number: 40/42
80/4 + 40/42 is 440/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
80/4 = 80 × 21/4 × 21 = 1680/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
40/42 = 40 × 2/42 × 2 = 80/84 - Add the two like fractions:
1680/84 + 80/84 = 1680 + 80/84 = 1760/84 - 1760/84 simplified gives 440/21
- So, 80/4 + 40/42 = 440/21
In mixed form: 2020/21
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