Add 80/18 and 90/28, Solve 4 8/18 + 3 6/28 as a fraction

Add 80/18 and 90/28

1^st number: 4 8/18, 2^nd number: 3 6/28

80/18 + 90/28 is 965/126.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 18 × 14 = 252,
80/18 = 80 × 14/18 × 14 = 1120/252
Likewise, for the 2nd fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252
Add the two like fractions:
1120/252 + 810/252 = 1120 + 810/252 = 1930/252
1930/252 simplified gives 965/126
So, 80/18 + 90/28 = 965/126
In mixed form: 783/126

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