Add 90/12 and 81/25
1st number: 7 6/12, 2nd number: 3 6/25
90/12 + 81/25 is 537/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
90/12 = 90 × 25/12 × 25 = 2250/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
81/25 = 81 × 12/25 × 12 = 972/300 - Add the two like fractions:
2250/300 + 972/300 = 2250 + 972/300 = 3222/300 - 3222/300 simplified gives 537/50
- So, 90/12 + 81/25 = 537/50
In mixed form: 1037/50
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