Add 7/10 and 70/42, Solve 7/10 + 1 28/42 as a fraction

Add 7/10 and 70/42

1^st number: 7/10, 2^nd number: 1 28/42

7/10 + 70/42 is 71/30.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
7/10 = 7 × 21/10 × 21 = 147/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210
Add the two like fractions:
147/210 + 350/210 = 147 + 350/210 = 497/210
497/210 simplified gives 71/30
So, 7/10 + 70/42 = 71/30
In mixed form: 211/30

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