Add 21/10 and 5/28, Solve 2 1/10 + 5/28 as a fraction

Add 21/10 and 5/28

1^st number: 2 1/10, 2^nd number: 5/28

21/10 + 5/28 is 319/140.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 10 × 14 = 140,
21/10 = 21 × 14/10 × 14 = 294/140
Likewise, for the 2nd fraction, since 28 × 5 = 140,
5/28 = 5 × 5/28 × 5 = 25/140
Add the two like fractions:
294/140 + 25/140 = 294 + 25/140 = 319/140
So, 21/10 + 5/28 = 319/140
In mixed form: 239/140

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