Add 81/84 and 42/50
81/84 + 42/50 is 1263/700.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
81/84 = 81 × 25/84 × 25 = 2025/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
42/50 = 42 × 42/50 × 42 = 1764/2100 - Add the two like fractions:
2025/2100 + 1764/2100 = 2025 + 1764/2100 = 3789/2100 - 3789/2100 simplified gives 1263/700
- So, 81/84 + 42/50 = 1263/700
In mixed form: 1563/700
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