Add 7/10 and 90/84, Solve 7/10 + 1 6/84 as a fraction

Add 7/10 and 90/84

1^st number: 7/10, 2^nd number: 1 6/84

7/10 + 90/84 is 62/35.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 10 × 42 = 420,
7/10 = 7 × 42/10 × 42 = 294/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420
Add the two like fractions:
294/420 + 450/420 = 294 + 450/420 = 744/420
744/420 simplified gives 62/35
So, 7/10 + 90/84 = 62/35
In mixed form: 127/35

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