Add 42/80 and 5/20
42/80 + 5/20 is 31/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 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 20 × 4 = 80,
5/20 = 5 × 4/20 × 4 = 20/80 - Add the two like fractions:
42/80 + 20/80 = 42 + 20/80 = 62/80 - 62/80 simplified gives 31/40
- So, 42/80 + 5/20 = 31/40
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