Add 40/12 and 2/21
1st number: 3 4/12, 2nd number: 2/21
40/12 + 2/21 is 24/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 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 21 × 4 = 84,
2/21 = 2 × 4/21 × 4 = 8/84 - Add the two like fractions:
280/84 + 8/84 = 280 + 8/84 = 288/84 - 288/84 simplified gives 24/7
- So, 40/12 + 2/21 = 24/7
In mixed form: 33/7
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