Add 20/80 and 42/8
1st number: 20/80, 2nd number: 5 2/8
20/80 + 42/8 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
42/8 = 42 × 10/8 × 10 = 420/80 - Add the two like fractions:
20/80 + 420/80 = 20 + 420/80 = 440/80 - 440/80 simplified gives 11/2
- So, 20/80 + 42/8 = 11/2
In mixed form: 51/2
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