Add 70/28 and 21/18, Solve 2 14/28 + 1 3/18 as a fraction

Add 70/28 and 21/18

1^st number: 2 14/28, 2^nd number: 1 3/18

70/28 + 21/18 is 11/3.

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

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
70/28 = 70 × 9/28 × 9 = 630/252
Likewise, for the 2nd fraction, since 18 × 14 = 252,
21/18 = 21 × 14/18 × 14 = 294/252
Add the two like fractions:
630/252 + 294/252 = 630 + 294/252 = 924/252
924/252 simplified gives 11/3
So, 70/28 + 21/18 = 11/3
In mixed form: 32/3

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