Add 75/80 and 42/25
1st number: 75/80, 2nd number: 1 17/25
75/80 + 42/25 is 1047/400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
75/80 = 75 × 5/80 × 5 = 375/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
42/25 = 42 × 16/25 × 16 = 672/400 - Add the two like fractions:
375/400 + 672/400 = 375 + 672/400 = 1047/400 - So, 75/80 + 42/25 = 1047/400
In mixed form: 2247/400
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