Add 90/28 and 72/7
1st number: 3 6/28, 2nd number: 10 2/7
90/28 + 72/7 is 27/2.
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,
72/7 = 72 × 4/7 × 4 = 288/28 - Add the two like fractions:
90/28 + 288/28 = 90 + 288/28 = 378/28 - 378/28 simplified gives 27/2
- So, 90/28 + 72/7 = 27/2
In mixed form: 131/2
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