Add 81/4 and 42/50
1st number: 20 1/4, 2nd number: 42/50
81/4 + 42/50 is 2109/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
81/4 = 81 × 25/4 × 25 = 2025/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
42/50 = 42 × 2/50 × 2 = 84/100 - Add the two like fractions:
2025/100 + 84/100 = 2025 + 84/100 = 2109/100 - So, 81/4 + 42/50 = 2109/100
In mixed form: 219/100
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