Add 4/72 and 20/40
4/72 + 20/40 is 5/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
20/40 = 20 × 9/40 × 9 = 180/360 - Add the two like fractions:
20/360 + 180/360 = 20 + 180/360 = 200/360 - 200/360 simplified gives 5/9
- So, 4/72 + 20/40 = 5/9
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