Add 28/18 and 1/21, Solve 1 10/18 + 1/21 as a fraction

Add 28/18 and 1/21

1^st number: 1 10/18, 2^nd number: 1/21

28/18 + 1/21 is 101/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
28/18 = 28 × 7/18 × 7 = 196/126
Likewise, for the 2nd fraction, since 21 × 6 = 126,
1/21 = 1 × 6/21 × 6 = 6/126
Add the two like fractions:
196/126 + 6/126 = 196 + 6/126 = 202/126
202/126 simplified gives 101/63
So, 28/18 + 1/21 = 101/63
In mixed form: 138/63

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