Add 20/15 and 10/35, Solve 1 5/15 + 10/35 as a fraction

Add 20/15 and 10/35

1^st number: 1 5/15, 2^nd number: 10/35

20/15 + 10/35 is 34/21.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
20/15 = 20 × 7/15 × 7 = 140/105
Likewise, for the 2nd fraction, since 35 × 3 = 105,
10/35 = 10 × 3/35 × 3 = 30/105
Add the two like fractions:
140/105 + 30/105 = 140 + 30/105 = 170/105
170/105 simplified gives 34/21
So, 20/15 + 10/35 = 34/21
In mixed form: 113/21

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