Add 70/50 and 9/84, Solve 1 20/50 + 9/84 as a fraction

Add 70/50 and 9/84

1^st number: 1 20/50, 2^nd number: 9/84

70/50 + 9/84 is 211/140.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100

Next, find the equivalent fraction of both fractional numbers with denominator 2100
For the 1st fraction, since 50 × 42 = 2100,
70/50 = 70 × 42/50 × 42 = 2940/2100
Likewise, for the 2nd fraction, since 84 × 25 = 2100,
9/84 = 9 × 25/84 × 25 = 225/2100
Add the two like fractions:
2940/2100 + 225/2100 = 2940 + 225/2100 = 3165/2100
3165/2100 simplified gives 211/140
So, 70/50 + 9/84 = 211/140
In mixed form: 171/140

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