Add 45/70 and 9/49
45/70 + 9/49 is 81/98.
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,
45/70 = 45 × 7/70 × 7 = 315/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
9/49 = 9 × 10/49 × 10 = 90/490 - Add the two like fractions:
315/490 + 90/490 = 315 + 90/490 = 405/490 - 405/490 simplified gives 81/98
- So, 45/70 + 9/49 = 81/98
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