Add 24/21 and 28/70, Solve 1 3/21 + 28/70 as a fraction

Add 24/21 and 28/70

1^st number: 1 3/21, 2^nd number: 28/70

24/21 + 28/70 is 54/35.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
24/21 = 24 × 10/21 × 10 = 240/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210
Add the two like fractions:
240/210 + 84/210 = 240 + 84/210 = 324/210
324/210 simplified gives 54/35
So, 24/21 + 28/70 = 54/35
In mixed form: 119/35

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