Add 70/63 and 63/45, Solve 1 7/63 + 1 18/45 as a fraction

Add 70/63 and 63/45

1^st number: 1 7/63, 2^nd number: 1 18/45

70/63 + 63/45 is 113/45.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315
Likewise, for the 2nd fraction, since 45 × 7 = 315,
63/45 = 63 × 7/45 × 7 = 441/315
Add the two like fractions:
350/315 + 441/315 = 350 + 441/315 = 791/315
791/315 simplified gives 113/45
So, 70/63 + 63/45 = 113/45
In mixed form: 223/45

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