Add 18/72 and 40/75
18/72 + 40/75 is 47/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 75 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
18/72 = 18 × 25/72 × 25 = 450/1800 - Likewise, for the 2nd fraction, since 75 × 24 = 1800,
40/75 = 40 × 24/75 × 24 = 960/1800 - Add the two like fractions:
450/1800 + 960/1800 = 450 + 960/1800 = 1410/1800 - 1410/1800 simplified gives 47/60
- So, 18/72 + 40/75 = 47/60
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