Add 28/21 and 24/70, Solve 1 7/21 + 24/70 as a fraction

Add 28/21 and 24/70

1^st number: 1 7/21, 2^nd number: 24/70

28/21 + 24/70 is 176/105.

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,
28/21 = 28 × 10/21 × 10 = 280/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
24/70 = 24 × 3/70 × 3 = 72/210
Add the two like fractions:
280/210 + 72/210 = 280 + 72/210 = 352/210
352/210 simplified gives 176/105
So, 28/21 + 24/70 = 176/105
In mixed form: 171/105

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