Add 80/25 and 42/81
1st number: 3 5/25, 2nd number: 42/81
80/25 + 42/81 is 502/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 25 × 81 = 2025,
80/25 = 80 × 81/25 × 81 = 6480/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
42/81 = 42 × 25/81 × 25 = 1050/2025 - Add the two like fractions:
6480/2025 + 1050/2025 = 6480 + 1050/2025 = 7530/2025 - 7530/2025 simplified gives 502/135
- So, 80/25 + 42/81 = 502/135
In mixed form: 397/135
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