Add 42/80 and 10/20
42/80 + 10/20 is 41/40.
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,
10/20 = 10 × 4/20 × 4 = 40/80 - Add the two like fractions:
42/80 + 40/80 = 42 + 40/80 = 82/80 - 82/80 simplified gives 41/40
- So, 42/80 + 10/20 = 41/40
In mixed form: 11/40
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