Add 42/14 and 15/20
1st number: 3 0/14, 2nd number: 15/20
42/14 + 15/20 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
42/14 = 42 × 10/14 × 10 = 420/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
15/20 = 15 × 7/20 × 7 = 105/140 - Add the two like fractions:
420/140 + 105/140 = 420 + 105/140 = 525/140 - 525/140 simplified gives 15/4
- So, 42/14 + 15/20 = 15/4
In mixed form: 33/4
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