Add 18/70 and 4/81
18/70 + 4/81 is 869/2835.
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,
18/70 = 18 × 81/70 × 81 = 1458/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
4/81 = 4 × 70/81 × 70 = 280/5670 - Add the two like fractions:
1458/5670 + 280/5670 = 1458 + 280/5670 = 1738/5670 - 1738/5670 simplified gives 869/2835
- So, 18/70 + 4/81 = 869/2835
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