Add 42/80 and 8/5
1st number: 42/80, 2nd number: 1 3/5
42/80 + 8/5 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
8/5 = 8 × 16/5 × 16 = 128/80 - Add the two like fractions:
42/80 + 128/80 = 42 + 128/80 = 170/80 - 170/80 simplified gives 17/8
- So, 42/80 + 8/5 = 17/8
In mixed form: 21/8
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