Add 12/4 and 90/7
1st number: 3 0/4, 2nd number: 12 6/7
12/4 + 90/7 is 111/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
12/4 = 12 × 7/4 × 7 = 84/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
90/7 = 90 × 4/7 × 4 = 360/28 - Add the two like fractions:
84/28 + 360/28 = 84 + 360/28 = 444/28 - 444/28 simplified gives 111/7
- So, 12/4 + 90/7 = 111/7
In mixed form: 156/7
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