Add 1/70 and 12/20
1/70 + 12/20 is 43/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
1/70 = 1 × 2/70 × 2 = 2/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Add the two like fractions:
2/140 + 84/140 = 2 + 84/140 = 86/140 - 86/140 simplified gives 43/70
- So, 1/70 + 12/20 = 43/70
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