Add 45/75 and 12/40
45/75 + 12/40 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
45/75 = 45 × 8/75 × 8 = 360/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
12/40 = 12 × 15/40 × 15 = 180/600 - Add the two like fractions:
360/600 + 180/600 = 360 + 180/600 = 540/600 - 540/600 simplified gives 9/10
- So, 45/75 + 12/40 = 9/10
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