Add 28/40 and 9/49
28/40 + 9/49 is 433/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
28/40 = 28 × 49/40 × 49 = 1372/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
9/49 = 9 × 40/49 × 40 = 360/1960 - Add the two like fractions:
1372/1960 + 360/1960 = 1372 + 360/1960 = 1732/1960 - 1732/1960 simplified gives 433/490
- So, 28/40 + 9/49 = 433/490
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