Add 80/42 and 63/32, Solve 1 38/42 + 1 31/32 as a fraction

Add 80/42 and 63/32

1^st number: 1 38/42, 2^nd number: 1 31/32

80/42 + 63/32 is 2603/672.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 42 × 16 = 672,
80/42 = 80 × 16/42 × 16 = 1280/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
63/32 = 63 × 21/32 × 21 = 1323/672
Add the two like fractions:
1280/672 + 1323/672 = 1280 + 1323/672 = 2603/672
So, 80/42 + 63/32 = 2603/672
In mixed form: 3587/672

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