Add 24/21 and 20/35, Solve 1 3/21 + 20/35 as a fraction

Add 24/21 and 20/35

1^st number: 1 3/21, 2^nd number: 20/35

24/21 + 20/35 is 12/7.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
24/21 = 24 × 5/21 × 5 = 120/105
Likewise, for the 2nd fraction, since 35 × 3 = 105,
20/35 = 20 × 3/35 × 3 = 60/105
Add the two like fractions:
120/105 + 60/105 = 120 + 60/105 = 180/105
180/105 simplified gives 12/7
So, 24/21 + 20/35 = 12/7
In mixed form: 15/7

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