Add 20/72 and 20/30
20/72 + 20/30 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
20/30 = 20 × 12/30 × 12 = 240/360 - Add the two like fractions:
100/360 + 240/360 = 100 + 240/360 = 340/360 - 340/360 simplified gives 17/18
- So, 20/72 + 20/30 = 17/18
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