Add 12/20 and 8/70
12/20 + 8/70 is 5/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
8/70 = 8 × 2/70 × 2 = 16/140 - Add the two like fractions:
84/140 + 16/140 = 84 + 16/140 = 100/140 - 100/140 simplified gives 5/7
- So, 12/20 + 8/70 = 5/7
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