Add 90/20 and 81/25
1st number: 4 10/20, 2nd number: 3 6/25
90/20 + 81/25 is 387/50.
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,
90/20 = 90 × 5/20 × 5 = 450/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
81/25 = 81 × 4/25 × 4 = 324/100 - Add the two like fractions:
450/100 + 324/100 = 450 + 324/100 = 774/100 - 774/100 simplified gives 387/50
- So, 90/20 + 81/25 = 387/50
In mixed form: 737/50
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