Add 21/9 and 20/49
1st number: 2 3/9, 2nd number: 20/49
21/9 + 20/49 is 403/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
21/9 = 21 × 49/9 × 49 = 1029/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
20/49 = 20 × 9/49 × 9 = 180/441 - Add the two like fractions:
1029/441 + 180/441 = 1029 + 180/441 = 1209/441 - 1209/441 simplified gives 403/147
- So, 21/9 + 20/49 = 403/147
In mixed form: 2109/147
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