Add 4/9 and 9/21
49 + 921 is 5563.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
49 = 4 × 79 × 7 = 2863 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
921 = 9 × 321 × 3 = 2763 - Add the two like fractions:
2863 + 2763 = 28 + 2763 = 5563 - So, 4/9 + 9/21 = 55/63
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