Add 90/12 and 45/4
1st number: 7 6/12, 2nd number: 11 1/4
90/12 + 45/4 is 75/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
90/12 = 90 × 1/12 × 1 = 90/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
45/4 = 45 × 3/4 × 3 = 135/12 - Add the two like fractions:
90/12 + 135/12 = 90 + 135/12 = 225/12 - 225/12 simplified gives 75/4
- So, 90/12 + 45/4 = 75/4
In mixed form: 183/4
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