Add 54/15 and 42/16
1st number: 3 9/15, 2nd number: 2 10/16
54/15 + 42/16 is 249/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
54/15 = 54 × 16/15 × 16 = 864/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
42/16 = 42 × 15/16 × 15 = 630/240 - Add the two like fractions:
864/240 + 630/240 = 864 + 630/240 = 1494/240 - 1494/240 simplified gives 249/40
- So, 54/15 + 42/16 = 249/40
In mixed form: 69/40
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