Add 12/75 and 72/90
12/75 + 72/90 is 24/25.
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,
72/90 = 72 × 5/90 × 5 = 360/450 - Add the two like fractions:
72/450 + 360/450 = 72 + 360/450 = 432/450 - 432/450 simplified gives 24/25
- So, 12/75 + 72/90 = 24/25
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