Add 18/36 and 7/40
18/36 + 7/40 is 27/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
18/36 = 18 × 10/36 × 10 = 180/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
7/40 = 7 × 9/40 × 9 = 63/360 - Add the two like fractions:
180/360 + 63/360 = 180 + 63/360 = 243/360 - 243/360 simplified gives 27/40
- So, 18/36 + 7/40 = 27/40
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