Add 30/49 and 15/70
30/49 + 15/70 is 81/98.
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,
30/49 = 30 × 10/49 × 10 = 300/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
15/70 = 15 × 7/70 × 7 = 105/490 - Add the two like fractions:
300/490 + 105/490 = 300 + 105/490 = 405/490 - 405/490 simplified gives 81/98
- So, 30/49 + 15/70 = 81/98
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