Add 42/16 and 21/5
1st number: 2 10/16, 2nd number: 4 1/5
42/16 + 21/5 is 273/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
21/5 = 21 × 16/5 × 16 = 336/80 - Add the two like fractions:
210/80 + 336/80 = 210 + 336/80 = 546/80 - 546/80 simplified gives 273/40
- So, 42/16 + 21/5 = 273/40
In mixed form: 633/40
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