Add 12/20 and 25/70
12/20 + 25/70 is 67/70.
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,
25/70 = 25 × 2/70 × 2 = 50/140 - Add the two like fractions:
84/140 + 50/140 = 84 + 50/140 = 134/140 - 134/140 simplified gives 67/70
- So, 12/20 + 25/70 = 67/70
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