Add 1/10 and 21/70
1/10 + 21/70 is 2/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
1/10 = 1 × 7/10 × 7 = 7/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Add the two like fractions:
7/70 + 21/70 = 7 + 21/70 = 28/70 - 28/70 simplified gives 2/5
- So, 1/10 + 21/70 = 2/5
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