Add 15/70 and 20/49
15/70 + 20/49 is 61/98.
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,
15/70 = 15 × 7/70 × 7 = 105/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
20/49 = 20 × 10/49 × 10 = 200/490 - Add the two like fractions:
105/490 + 200/490 = 105 + 200/490 = 305/490 - 305/490 simplified gives 61/98
- So, 15/70 + 20/49 = 61/98
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