Add 12/72 and 90/75
1st number: 12/72, 2nd number: 1 15/75
12/72 + 90/75 is 41/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 75 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
12/72 = 12 × 25/72 × 25 = 300/1800 - Likewise, for the 2nd fraction, since 75 × 24 = 1800,
90/75 = 90 × 24/75 × 24 = 2160/1800 - Add the two like fractions:
300/1800 + 2160/1800 = 300 + 2160/1800 = 2460/1800 - 2460/1800 simplified gives 41/30
- So, 12/72 + 90/75 = 41/30
In mixed form: 111/30
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