Add 42/40 and 50/42, Solve 1 2/40 + 1 8/42 as a fraction

Add 42/40 and 50/42

1^st number: 1 2/40, 2^nd number: 1 8/42

42/40 + 50/42 is 941/420.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 40 × 21 = 840,
42/40 = 42 × 21/40 × 21 = 882/840
Likewise, for the 2nd fraction, since 42 × 20 = 840,
50/42 = 50 × 20/42 × 20 = 1000/840
Add the two like fractions:
882/840 + 1000/840 = 882 + 1000/840 = 1882/840
1882/840 simplified gives 941/420
So, 42/40 + 50/42 = 941/420
In mixed form: 2101/420

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