Add 90/12 and 3/28, Solve 7 6/12 + 3/28 as a fraction

Add 90/12 and 3/28

1^st number: 7 6/12, 2^nd number: 3/28

90/12 + 3/28 is 213/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
90/12 = 90 × 7/12 × 7 = 630/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
3/28 = 3 × 3/28 × 3 = 9/84
Add the two like fractions:
630/84 + 9/84 = 630 + 9/84 = 639/84
639/84 simplified gives 213/28
So, 90/12 + 3/28 = 213/28
In mixed form: 717/28

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