Add 90/75 and 12/20
1st number: 1 15/75, 2nd number: 12/20
90/75 + 12/20 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
90/75 = 90 × 4/75 × 4 = 360/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
12/20 = 12 × 15/20 × 15 = 180/300 - Add the two like fractions:
360/300 + 180/300 = 360 + 180/300 = 540/300 - 540/300 simplified gives 9/5
- So, 90/75 + 12/20 = 9/5
In mixed form: 14/5
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