Add 20/49 and 40/70
20/49 + 40/70 is 48/49.
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,
20/49 = 20 × 10/49 × 10 = 200/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
40/70 = 40 × 7/70 × 7 = 280/490 - Add the two like fractions:
200/490 + 280/490 = 200 + 280/490 = 480/490 - 480/490 simplified gives 48/49
- So, 20/49 + 40/70 = 48/49
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