Add 12/20 and 49/70
12/20 + 49/70 is 13/10.
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,
49/70 = 49 × 2/70 × 2 = 98/140 - Add the two like fractions:
84/140 + 98/140 = 84 + 98/140 = 182/140 - 182/140 simplified gives 13/10
- So, 12/20 + 49/70 = 13/10
In mixed form: 13/10
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