Add 21/54 and 63/35
1st number: 21/54, 2nd number: 1 28/35
21/54 + 63/35 is 197/90.
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,
63/35 = 63 × 54/35 × 54 = 3402/1890 - Add the two like fractions:
735/1890 + 3402/1890 = 735 + 3402/1890 = 4137/1890 - 4137/1890 simplified gives 197/90
- So, 21/54 + 63/35 = 197/90
In mixed form: 217/90
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