Add 2/70 and 80/81
2/70 + 80/81 is 2881/2835.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
2/70 = 2 × 81/70 × 81 = 162/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
80/81 = 80 × 70/81 × 70 = 5600/5670 - Add the two like fractions:
162/5670 + 5600/5670 = 162 + 5600/5670 = 5762/5670 - 5762/5670 simplified gives 2881/2835
- So, 2/70 + 80/81 = 2881/2835
In mixed form: 146/2835
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