Add 3/42 and 20/5
1st number: 3/42, 2nd number: 4 0/5
3/42 + 20/5 is 57/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
20/5 = 20 × 42/5 × 42 = 840/210 - Add the two like fractions:
15/210 + 840/210 = 15 + 840/210 = 855/210 - 855/210 simplified gives 57/14
- So, 3/42 + 20/5 = 57/14
In mixed form: 41/14
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