Add 15/9 and 72/70, Solve 1 6/9 + 1 2/70 as a fraction

Add 15/9 and 72/70

1^st number: 1 6/9, 2^nd number: 1 2/70

15/9 + 72/70 is 283/105.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
15/9 = 15 × 70/9 × 70 = 1050/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630
Add the two like fractions:
1050/630 + 648/630 = 1050 + 648/630 = 1698/630
1698/630 simplified gives 283/105
So, 15/9 + 72/70 = 283/105
In mixed form: 273/105

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