Add 7/49 and 18/70
7/49 + 18/70 is 2/5.
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,
7/49 = 7 × 10/49 × 10 = 70/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
18/70 = 18 × 7/70 × 7 = 126/490 - Add the two like fractions:
70/490 + 126/490 = 70 + 126/490 = 196/490 - 196/490 simplified gives 2/5
- So, 7/49 + 18/70 = 2/5
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