Add 5/42 and 5/10
5/42 + 5/10 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
5/10 = 5 × 21/10 × 21 = 105/210 - Add the two like fractions:
25/210 + 105/210 = 25 + 105/210 = 130/210 - 130/210 simplified gives 13/21
- So, 5/42 + 5/10 = 13/21
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