Add 28/72 and 80/70, Solve 28/72 + 1 10/70 as a fraction

Add 28/72 and 80/70

1^st number: 28/72, 2^nd number: 1 10/70

28/72 + 80/70 is 193/126.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 72 × 35 = 2520,
28/72 = 28 × 35/72 × 35 = 980/2520
Likewise, for the 2nd fraction, since 70 × 36 = 2520,
80/70 = 80 × 36/70 × 36 = 2880/2520
Add the two like fractions:
980/2520 + 2880/2520 = 980 + 2880/2520 = 3860/2520
3860/2520 simplified gives 193/126
So, 28/72 + 80/70 = 193/126
In mixed form: 167/126

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