Add 6/40 and 64/90
6/40 + 64/90 is 31/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
6/40 = 6 × 9/40 × 9 = 54/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
64/90 = 64 × 4/90 × 4 = 256/360 - Add the two like fractions:
54/360 + 256/360 = 54 + 256/360 = 310/360 - 310/360 simplified gives 31/36
- So, 6/40 + 64/90 = 31/36
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