Add 98/84 and 70/30, Solve 1 14/84 + 2 10/30 as a fraction

Add 98/84 and 70/30

1^st number: 1 14/84, 2^nd number: 2 10/30

98/84 + 70/30 is 7/2.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
98/84 = 98 × 5/84 × 5 = 490/420
Likewise, for the 2nd fraction, since 30 × 14 = 420,
70/30 = 70 × 14/30 × 14 = 980/420
Add the two like fractions:
490/420 + 980/420 = 490 + 980/420 = 1470/420
1470/420 simplified gives 7/2
So, 98/84 + 70/30 = 7/2
In mixed form: 31/2

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