Add 14/20 and 42/40
1st number: 14/20, 2nd number: 1 2/40
14/20 + 42/40 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
14/20 = 14 × 2/20 × 2 = 28/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Add the two like fractions:
28/40 + 42/40 = 28 + 42/40 = 70/40 - 70/40 simplified gives 7/4
- So, 14/20 + 42/40 = 7/4
In mixed form: 13/4
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