Add 63/54 and 35/21
1st number: 1 9/54, 2nd number: 1 14/21
63/54 + 35/21 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
35/21 = 35 × 18/21 × 18 = 630/378 - Add the two like fractions:
441/378 + 630/378 = 441 + 630/378 = 1071/378 - 1071/378 simplified gives 17/6
- So, 63/54 + 35/21 = 17/6
In mixed form: 25/6
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