Add 4/49 and 5/40
4/49 + 5/40 is 81/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
4/49 = 4 × 40/49 × 40 = 160/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
5/40 = 5 × 49/40 × 49 = 245/1960 - Add the two like fractions:
160/1960 + 245/1960 = 160 + 245/1960 = 405/1960 - 405/1960 simplified gives 81/392
- So, 4/49 + 5/40 = 81/392
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