Add 72/45 and 6/84, Solve 1 27/45 + 6/84 as a fraction

Add 72/45 and 6/84

1^st number: 1 27/45, 2^nd number: 6/84

72/45 + 6/84 is 117/70.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 45 × 28 = 1260,
72/45 = 72 × 28/45 × 28 = 2016/1260
Likewise, for the 2nd fraction, since 84 × 15 = 1260,
6/84 = 6 × 15/84 × 15 = 90/1260
Add the two like fractions:
2016/1260 + 90/1260 = 2016 + 90/1260 = 2106/1260
2106/1260 simplified gives 117/70
So, 72/45 + 6/84 = 117/70
In mixed form: 147/70

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