Add 54/63 and 21/16
1st number: 54/63, 2nd number: 1 5/16
54/63 + 21/16 is 243/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 16 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
54/63 = 54 × 16/63 × 16 = 864/1008 - Likewise, for the 2nd fraction, since 16 × 63 = 1008,
21/16 = 21 × 63/16 × 63 = 1323/1008 - Add the two like fractions:
864/1008 + 1323/1008 = 864 + 1323/1008 = 2187/1008 - 2187/1008 simplified gives 243/112
- So, 54/63 + 21/16 = 243/112
In mixed form: 219/112
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