Add 40/14 and 40/21
1st number: 2 12/14, 2nd number: 1 19/21
40/14 + 40/21 is 100/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
40/14 = 40 × 3/14 × 3 = 120/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
40/21 = 40 × 2/21 × 2 = 80/42 - Add the two like fractions:
120/42 + 80/42 = 120 + 80/42 = 200/42 - 200/42 simplified gives 100/21
- So, 40/14 + 40/21 = 100/21
In mixed form: 416/21
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