Add 60/80 and 70/63, Solve 60/80 + 1 7/63 as a fraction

Add 60/80 and 70/63

1^st number: 60/80, 2^nd number: 1 7/63

60/80 + 70/63 is 67/36.

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,
60/80 = 60 × 63/80 × 63 = 3780/5040
Likewise, for the 2nd fraction, since 63 × 80 = 5040,
70/63 = 70 × 80/63 × 80 = 5600/5040
Add the two like fractions:
3780/5040 + 5600/5040 = 3780 + 5600/5040 = 9380/5040
9380/5040 simplified gives 67/36
So, 60/80 + 70/63 = 67/36
In mixed form: 131/36

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