Add 21/54 and 81/35
1st number: 21/54, 2nd number: 2 11/35
21/54 + 81/35 is 1703/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 35 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
21/54 = 21 × 35/54 × 35 = 735/1890 - Likewise, for the 2nd fraction, since 35 × 54 = 1890,
81/35 = 81 × 54/35 × 54 = 4374/1890 - Add the two like fractions:
735/1890 + 4374/1890 = 735 + 4374/1890 = 5109/1890 - 5109/1890 simplified gives 1703/630
- So, 21/54 + 81/35 = 1703/630
In mixed form: 2443/630
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