Add 75/40 and 20/80
1st number: 1 35/40, 2nd number: 20/80
75/40 + 20/80 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
75/40 = 75 × 2/40 × 2 = 150/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Add the two like fractions:
150/80 + 20/80 = 150 + 20/80 = 170/80 - 170/80 simplified gives 17/8
- So, 75/40 + 20/80 = 17/8
In mixed form: 21/8
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