Add 75/81 and 25/70
75/81 + 25/70 is 485/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 70 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,
75/81 = 75 × 70/81 × 70 = 5250/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
25/70 = 25 × 81/70 × 81 = 2025/5670 - Add the two like fractions:
5250/5670 + 2025/5670 = 5250 + 2025/5670 = 7275/5670 - 7275/5670 simplified gives 485/378
- So, 75/81 + 25/70 = 485/378
In mixed form: 1107/378
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