Add 10/70 and 21/42
10/70 + 21/42 is 9/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
10/70 = 10 × 3/70 × 3 = 30/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
21/42 = 21 × 5/42 × 5 = 105/210 - Add the two like fractions:
30/210 + 105/210 = 30 + 105/210 = 135/210 - 135/210 simplified gives 9/14
- So, 10/70 + 21/42 = 9/14
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