Add 12/7 and 90/10, Solve 1 5/7 + 9 0/10 as a fraction

Add 12/7 and 90/10

1^st number: 1 5/7, 2^nd number: 9 0/10

12/7 + 90/10 is 75/7.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 7 × 10 = 70,
12/7 = 12 × 10/7 × 10 = 120/70
Likewise, for the 2nd fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70
Add the two like fractions:
120/70 + 630/70 = 120 + 630/70 = 750/70
750/70 simplified gives 75/7
So, 12/7 + 90/10 = 75/7
In mixed form: 105/7

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