Add 20/49 and 25/70
20/49 + 25/70 is 75/98.
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,
20/49 = 20 × 10/49 × 10 = 200/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
25/70 = 25 × 7/70 × 7 = 175/490 - Add the two like fractions:
200/490 + 175/490 = 200 + 175/490 = 375/490 - 375/490 simplified gives 75/98
- So, 20/49 + 25/70 = 75/98
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