Add 18/49 and 30/70
18/49 + 30/70 is 39/49.
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,
30/70 = 30 × 7/70 × 7 = 210/490 - Add the two like fractions:
180/490 + 210/490 = 180 + 210/490 = 390/490 - 390/490 simplified gives 39/49
- So, 18/49 + 30/70 = 39/49
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