Add 45/63 and 75/70, Solve 45/63 + 1 5/70 as a fraction

Add 45/63 and 75/70

1^st number: 45/63, 2^nd number: 1 5/70

45/63 + 75/70 is 25/14.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
45/63 = 45 × 10/63 × 10 = 450/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
75/70 = 75 × 9/70 × 9 = 675/630
Add the two like fractions:
450/630 + 675/630 = 450 + 675/630 = 1125/630
1125/630 simplified gives 25/14
So, 45/63 + 75/70 = 25/14
In mixed form: 111/14

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