Add 15/16 and 21/54
15/16 + 21/54 is 191/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
15/16 = 15 × 27/16 × 27 = 405/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
21/54 = 21 × 8/54 × 8 = 168/432 - Add the two like fractions:
405/432 + 168/432 = 405 + 168/432 = 573/432 - 573/432 simplified gives 191/144
- So, 15/16 + 21/54 = 191/144
In mixed form: 147/144
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