Add 30/3 and 70/49
1st number: 10 0/3, 2nd number: 1 21/49
30/3 + 70/49 is 80/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 3 × 49 = 147,
30/3 = 30 × 49/3 × 49 = 1470/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
70/49 = 70 × 3/49 × 3 = 210/147 - Add the two like fractions:
1470/147 + 210/147 = 1470 + 210/147 = 1680/147 - 1680/147 simplified gives 80/7
- So, 30/3 + 70/49 = 80/7
In mixed form: 113/7
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