Add 4/80 and 90/63, Solve 4/80 + 1 27/63 as a fraction

Add 4/80 and 90/63

1^st number: 4/80, 2^nd number: 1 27/63

4/80 + 90/63 is 207/140.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040

Next, find the equivalent fraction of both fractional numbers with denominator 5040
For the 1st fraction, since 80 × 63 = 5040,
4/80 = 4 × 63/80 × 63 = 252/5040
Likewise, for the 2nd fraction, since 63 × 80 = 5040,
90/63 = 90 × 80/63 × 80 = 7200/5040
Add the two like fractions:
252/5040 + 7200/5040 = 252 + 7200/5040 = 7452/5040
7452/5040 simplified gives 207/140
So, 4/80 + 90/63 = 207/140
In mixed form: 167/140

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