Add 18/80 and 40/75
18/80 + 40/75 is 91/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 75 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 80 × 15 = 1200,
18/80 = 18 × 15/80 × 15 = 270/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
40/75 = 40 × 16/75 × 16 = 640/1200 - Add the two like fractions:
270/1200 + 640/1200 = 270 + 640/1200 = 910/1200 - 910/1200 simplified gives 91/120
- So, 18/80 + 40/75 = 91/120
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