Add 42/40 and 3/84, Solve 1 2/40 + 3/84 as a fraction

Add 42/40 and 3/84

1^st number: 1 2/40, 2^nd number: 3/84

42/40 + 3/84 is 38/35.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 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 84 × 10 = 840,
3/84 = 3 × 10/84 × 10 = 30/840
Add the two like fractions:
882/840 + 30/840 = 882 + 30/840 = 912/840
912/840 simplified gives 38/35
So, 42/40 + 3/84 = 38/35
In mixed form: 13/35

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