Add 9/40 and 72/98
9/40 + 72/98 is 1881/1960.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
9/40 = 9 × 49/40 × 49 = 441/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
72/98 = 72 × 20/98 × 20 = 1440/1960 - Add the two like fractions:
441/1960 + 1440/1960 = 441 + 1440/1960 = 1881/1960 - So, 9/40 + 72/98 = 1881/1960
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