Add 42/5 and 28/80
1st number: 8 2/5, 2nd number: 28/80
42/5 + 28/80 is 35/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
42/5 = 42 × 16/5 × 16 = 672/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80 - Add the two like fractions:
672/80 + 28/80 = 672 + 28/80 = 700/80 - 700/80 simplified gives 35/4
- So, 42/5 + 28/80 = 35/4
In mixed form: 83/4
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