Add 40/12 and 50/42
1st number: 3 4/12, 2nd number: 1 8/42
40/12 + 50/42 is 95/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
40/12 = 40 × 7/12 × 7 = 280/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
50/42 = 50 × 2/42 × 2 = 100/84 - Add the two like fractions:
280/84 + 100/84 = 280 + 100/84 = 380/84 - 380/84 simplified gives 95/21
- So, 40/12 + 50/42 = 95/21
In mixed form: 411/21
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