Add 90/50 and 70/84, Solve 1 40/50 + 70/84 as a fraction

Add 90/50 and 70/84

1^st number: 1 40/50, 2^nd number: 70/84

90/50 + 70/84 is 79/30.

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,
90/50 = 90 × 42/50 × 42 = 3780/2100
Likewise, for the 2nd fraction, since 84 × 25 = 2100,
70/84 = 70 × 25/84 × 25 = 1750/2100
Add the two like fractions:
3780/2100 + 1750/2100 = 3780 + 1750/2100 = 5530/2100
5530/2100 simplified gives 79/30
So, 90/50 + 70/84 = 79/30
In mixed form: 219/30

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