Add 14/40 and 42/30, Solve 14/40 + 1 12/30 as a fraction

Add 14/40 and 42/30

1^st number: 14/40, 2^nd number: 1 12/30

14/40 + 42/30 is 7/4.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
14/40 = 14 × 3/40 × 3 = 42/120
Likewise, for the 2nd fraction, since 30 × 4 = 120,
42/30 = 42 × 4/30 × 4 = 168/120
Add the two like fractions:
42/120 + 168/120 = 42 + 168/120 = 210/120
210/120 simplified gives 7/4
So, 14/40 + 42/30 = 7/4
In mixed form: 13/4

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