Add 90/28 and 30/7
1st number: 3 6/28, 2nd number: 4 2/7
90/28 + 30/7 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
30/7 = 30 × 4/7 × 4 = 120/28 - Add the two like fractions:
90/28 + 120/28 = 90 + 120/28 = 210/28 - 210/28 simplified gives 15/2
- So, 90/28 + 30/7 = 15/2
In mixed form: 71/2
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