Add 25/21 and 21/18, Solve 1 4/21 + 1 3/18 as a fraction

Add 25/21 and 21/18

1^st number: 1 4/21, 2^nd number: 1 3/18

25/21 + 21/18 is 33/14.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 21 × 6 = 126,
25/21 = 25 × 6/21 × 6 = 150/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
21/18 = 21 × 7/18 × 7 = 147/126
Add the two like fractions:
150/126 + 147/126 = 150 + 147/126 = 297/126
297/126 simplified gives 33/14
So, 25/21 + 21/18 = 33/14
In mixed form: 25/14

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