Add 80/42 and 48/20
1st number: 1 38/42, 2nd number: 2 8/20
80/42 + 48/20 is 452/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
80/42 = 80 × 10/42 × 10 = 800/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
48/20 = 48 × 21/20 × 21 = 1008/420 - Add the two like fractions:
800/420 + 1008/420 = 800 + 1008/420 = 1808/420 - 1808/420 simplified gives 452/105
- So, 80/42 + 48/20 = 452/105
In mixed form: 432/105
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