Add 90/60 and 70/7, Solve 1 30/60 + 10 0/7 as a fraction

Add 90/60 and 70/7

1^st number: 1 30/60, 2^nd number: 10 0/7

90/60 + 70/7 is 23/2.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420
Likewise, for the 2nd fraction, since 7 × 60 = 420,
70/7 = 70 × 60/7 × 60 = 4200/420
Add the two like fractions:
630/420 + 4200/420 = 630 + 4200/420 = 4830/420
4830/420 simplified gives 23/2
So, 90/60 + 70/7 = 23/2
In mixed form: 111/2

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