Add 32/21 and 9/54
1st number: 1 11/21, 2nd number: 9/54
32/21 + 9/54 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
32/21 = 32 × 18/21 × 18 = 576/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Add the two like fractions:
576/378 + 63/378 = 576 + 63/378 = 639/378 - 639/378 simplified gives 71/42
- So, 32/21 + 9/54 = 71/42
In mixed form: 129/42
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