Add 12/70 and 7/30
12/70 + 7/30 is 17/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
7/30 = 7 × 7/30 × 7 = 49/210 - Add the two like fractions:
36/210 + 49/210 = 36 + 49/210 = 85/210 - 85/210 simplified gives 17/42
- So, 12/70 + 7/30 = 17/42
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