Add 18/49 and 49/70
18/49 + 49/70 is 523/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
18/49 = 18 × 10/49 × 10 = 180/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
49/70 = 49 × 7/70 × 7 = 343/490 - Add the two like fractions:
180/490 + 343/490 = 180 + 343/490 = 523/490 - So, 18/49 + 49/70 = 523/490
In mixed form: 133/490
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