Add 3/7 and 12/70
3/7 + 12/70 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
3/7 = 3 × 10/7 × 10 = 30/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Add the two like fractions:
30/70 + 12/70 = 30 + 12/70 = 42/70 - 42/70 simplified gives 3/5
- So, 3/7 + 12/70 = 3/5
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