Add 18/72 and 1/40
18/72 + 1/40 is 11/40.
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,
18/72 = 18 × 5/72 × 5 = 90/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
1/40 = 1 × 9/40 × 9 = 9/360 - Add the two like fractions:
90/360 + 9/360 = 90 + 9/360 = 99/360 - 99/360 simplified gives 11/40
- So, 18/72 + 1/40 = 11/40
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