Add 81/2 and 42/16
1st number: 40 1/2, 2nd number: 2 10/16
81/2 + 42/16 is 345/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
81/2 = 81 × 8/2 × 8 = 648/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Add the two like fractions:
648/16 + 42/16 = 648 + 42/16 = 690/16 - 690/16 simplified gives 345/8
- So, 81/2 + 42/16 = 345/8
In mixed form: 431/8
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