Add 20/40 and 5/18
20/40 + 5/18 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
20/40 = 20 × 9/40 × 9 = 180/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
5/18 = 5 × 20/18 × 20 = 100/360 - Add the two like fractions:
180/360 + 100/360 = 180 + 100/360 = 280/360 - 280/360 simplified gives 7/9
- So, 20/40 + 5/18 = 7/9
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