Add 45/84 and 80/70, Solve 45/84 + 1 10/70 as a fraction

Add 45/84 and 80/70

1^st number: 45/84, 2^nd number: 1 10/70

45/84 + 80/70 is 47/28.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
80/70 = 80 × 6/70 × 6 = 480/420
Add the two like fractions:
225/420 + 480/420 = 225 + 480/420 = 705/420
705/420 simplified gives 47/28
So, 45/84 + 80/70 = 47/28
In mixed form: 119/28

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