Add 7/49 and 9/20
7/49 + 9/20 is 83/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
7/49 = 7 × 20/49 × 20 = 140/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
9/20 = 9 × 49/20 × 49 = 441/980 - Add the two like fractions:
140/980 + 441/980 = 140 + 441/980 = 581/980 - 581/980 simplified gives 83/140
- So, 7/49 + 9/20 = 83/140
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