Add 40/75 and 12/72
40/75 + 12/72 is 7/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
40/75 = 40 × 24/75 × 24 = 960/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
12/72 = 12 × 25/72 × 25 = 300/1800 - Add the two like fractions:
960/1800 + 300/1800 = 960 + 300/1800 = 1260/1800 - 1260/1800 simplified gives 7/10
- So, 40/75 + 12/72 = 7/10
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