Add 4/3 and 3/21
1st number: 1 1/3, 2nd number: 3/21
43 + 321 is 3121.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
43 = 4 × 73 × 7 = 2821 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
321 = 3 × 121 × 1 = 321 - Add the two like fractions:
2821 + 321 = 28 + 321 = 3121 - So, 4/3 + 3/21 = 31/21
In mixed form: 11021
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