Add 18/4 and 90/28
1st number: 4 2/4, 2nd number: 3 6/28
18/4 + 90/28 is 54/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
18/4 = 18 × 7/4 × 7 = 126/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Add the two like fractions:
126/28 + 90/28 = 126 + 90/28 = 216/28 - 216/28 simplified gives 54/7
- So, 18/4 + 90/28 = 54/7
In mixed form: 75/7
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