Add 98/80 and 70/63, Solve 1 18/80 + 1 7/63 as a fraction

Add 98/80 and 70/63

1^st number: 1 18/80, 2^nd number: 1 7/63

98/80 + 70/63 is 841/360.

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,
98/80 = 98 × 63/80 × 63 = 6174/5040
Likewise, for the 2nd fraction, since 63 × 80 = 5040,
70/63 = 70 × 80/63 × 80 = 5600/5040
Add the two like fractions:
6174/5040 + 5600/5040 = 6174 + 5600/5040 = 11774/5040
11774/5040 simplified gives 841/360
So, 98/80 + 70/63 = 841/360
In mixed form: 2121/360

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