Add 3/21 and 40/14
1st number: 3/21, 2nd number: 2 12/14
3/21 + 40/14 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
3/21 = 3 × 2/21 × 2 = 6/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
40/14 = 40 × 3/14 × 3 = 120/42 - Add the two like fractions:
6/42 + 120/42 = 6 + 120/42 = 126/42 - 126/42 simplified gives 3/1
- So, 3/21 + 40/14 = 3/1
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