Add 42/80 and 80/50
1st number: 42/80, 2nd number: 1 30/50
42/80 + 80/50 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
42/80 = 42 × 5/80 × 5 = 210/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
80/50 = 80 × 8/50 × 8 = 640/400 - Add the two like fractions:
210/400 + 640/400 = 210 + 640/400 = 850/400 - 850/400 simplified gives 17/8
- So, 42/80 + 80/50 = 17/8
In mixed form: 21/8
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