Add 12/70 and 70/49
1st number: 12/70, 2nd number: 1 21/49
12/70 + 70/49 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
12/70 = 12 × 7/70 × 7 = 84/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
70/49 = 70 × 10/49 × 10 = 700/490 - Add the two like fractions:
84/490 + 700/490 = 84 + 700/490 = 784/490 - 784/490 simplified gives 8/5
- So, 12/70 + 70/49 = 8/5
In mixed form: 13/5
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