Add 12/75 and 40/90
12/75 + 40/90 is 136/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
12/75 = 12 × 6/75 × 6 = 72/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
40/90 = 40 × 5/90 × 5 = 200/450 - Add the two like fractions:
72/450 + 200/450 = 72 + 200/450 = 272/450 - 272/450 simplified gives 136/225
- So, 12/75 + 40/90 = 136/225
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