Add 40/20 and 28/25
1st number: 2 0/20, 2nd number: 1 3/25
40/20 + 28/25 is 78/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
40/20 = 40 × 5/20 × 5 = 200/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
28/25 = 28 × 4/25 × 4 = 112/100 - Add the two like fractions:
200/100 + 112/100 = 200 + 112/100 = 312/100 - 312/100 simplified gives 78/25
- So, 40/20 + 28/25 = 78/25
In mixed form: 33/25
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