Add 20/49 and 7/10
20/49 + 7/10 is 543/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
20/49 = 20 × 10/49 × 10 = 200/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
7/10 = 7 × 49/10 × 49 = 343/490 - Add the two like fractions:
200/490 + 343/490 = 200 + 343/490 = 543/490 - So, 20/49 + 7/10 = 543/490
In mixed form: 153/490
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