Add 7/72 and 80/70, Solve 7/72 + 1 10/70 as a fraction

Add 7/72 and 80/70

1^st number: 7/72, 2^nd number: 1 10/70

7/72 + 80/70 is 625/504.

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,
7/72 = 7 × 35/72 × 35 = 245/2520
Likewise, for the 2nd fraction, since 70 × 36 = 2520,
80/70 = 80 × 36/70 × 36 = 2880/2520
Add the two like fractions:
245/2520 + 2880/2520 = 245 + 2880/2520 = 3125/2520
3125/2520 simplified gives 625/504
So, 7/72 + 80/70 = 625/504
In mixed form: 1121/504

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