Add 7/98 and 72/10, Solve 7/98 + 7 2/10 as a fraction

Add 7/98 and 72/10

1^st number: 7/98, 2^nd number: 7 2/10

7/98 + 72/10 is 509/70.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 98 × 5 = 490,
7/98 = 7 × 5/98 × 5 = 35/490
Likewise, for the 2nd fraction, since 10 × 49 = 490,
72/10 = 72 × 49/10 × 49 = 3528/490
Add the two like fractions:
35/490 + 3528/490 = 35 + 3528/490 = 3563/490
3563/490 simplified gives 509/70
So, 7/98 + 72/10 = 509/70
In mixed form: 719/70

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