Add 54/16 and 21/56
1st number: 3 6/16, 2nd number: 21/56
54/16 + 21/56 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 56 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
54/16 = 54 × 7/16 × 7 = 378/112 - Likewise, for the 2nd fraction, since 56 × 2 = 112,
21/56 = 21 × 2/56 × 2 = 42/112 - Add the two like fractions:
378/112 + 42/112 = 378 + 42/112 = 420/112 - 420/112 simplified gives 15/4
- So, 54/16 + 21/56 = 15/4
In mixed form: 33/4
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