Add 25/15 and 2/21, Solve 1 10/15 + 2/21 as a fraction

Add 25/15 and 2/21

1^st number: 1 10/15, 2^nd number: 2/21

25/15 + 2/21 is 37/21.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
25/15 = 25 × 7/15 × 7 = 175/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
2/21 = 2 × 5/21 × 5 = 10/105
Add the two like fractions:
175/105 + 10/105 = 175 + 10/105 = 185/105
185/105 simplified gives 37/21
So, 25/15 + 2/21 = 37/21
In mixed form: 116/21

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