Add 21/75 and 72/18, Solve 21/75 + 4 0/18 as a fraction

Add 21/75 and 72/18

1^st number: 21/75, 2^nd number: 4 0/18

21/75 + 72/18 is 107/25.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 75 × 6 = 450,
21/75 = 21 × 6/75 × 6 = 126/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
72/18 = 72 × 25/18 × 25 = 1800/450
Add the two like fractions:
126/450 + 1800/450 = 126 + 1800/450 = 1926/450
1926/450 simplified gives 107/25
So, 21/75 + 72/18 = 107/25
In mixed form: 47/25

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