Add 21/15 and 1/25, Solve 1 6/15 + 1/25 as a fraction

Add 21/15 and 1/25

1^st number: 1 6/15, 2^nd number: 1/25

21/15 + 1/25 is 36/25.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75

Next, find the equivalent fraction of both fractional numbers with denominator 75
For the 1st fraction, since 15 × 5 = 75,
21/15 = 21 × 5/15 × 5 = 105/75
Likewise, for the 2nd fraction, since 25 × 3 = 75,
1/25 = 1 × 3/25 × 3 = 3/75
Add the two like fractions:
105/75 + 3/75 = 105 + 3/75 = 108/75
108/75 simplified gives 36/25
So, 21/15 + 1/25 = 36/25
In mixed form: 111/25

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