Add 27/70 and 20/49
27/70 + 20/49 is 389/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
27/70 = 27 × 7/70 × 7 = 189/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
20/49 = 20 × 10/49 × 10 = 200/490 - Add the two like fractions:
189/490 + 200/490 = 189 + 200/490 = 389/490 - So, 27/70 + 20/49 = 389/490
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