Add 12/40 and 98/63, Solve 12/40 + 1 35/63 as a fraction

Add 12/40 and 98/63

1^st number: 12/40, 2^nd number: 1 35/63

12/40 + 98/63 is 167/90.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 40 × 63 = 2520,
12/40 = 12 × 63/40 × 63 = 756/2520
Likewise, for the 2nd fraction, since 63 × 40 = 2520,
98/63 = 98 × 40/63 × 40 = 3920/2520
Add the two like fractions:
756/2520 + 3920/2520 = 756 + 3920/2520 = 4676/2520
4676/2520 simplified gives 167/90
So, 12/40 + 98/63 = 167/90
In mixed form: 177/90

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