Add 40/72 and 5/90
40/72 + 5/90 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
5/90 = 5 × 4/90 × 4 = 20/360 - Add the two like fractions:
200/360 + 20/360 = 200 + 20/360 = 220/360 - 220/360 simplified gives 11/18
- So, 40/72 + 5/90 = 11/18
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