Add 15/54 and 21/16
1st number: 15/54, 2nd number: 1 5/16
15/54 + 21/16 is 229/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
15/54 = 15 × 8/54 × 8 = 120/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
21/16 = 21 × 27/16 × 27 = 567/432 - Add the two like fractions:
120/432 + 567/432 = 120 + 567/432 = 687/432 - 687/432 simplified gives 229/144
- So, 15/54 + 21/16 = 229/144
In mixed form: 185/144
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