Add 21/3 and 70/49
1st number: 7 0/3, 2nd number: 1 21/49
21/3 + 70/49 is 59/7.
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,
21/3 = 21 × 49/3 × 49 = 1029/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
70/49 = 70 × 3/49 × 3 = 210/147 - Add the two like fractions:
1029/147 + 210/147 = 1029 + 210/147 = 1239/147 - 1239/147 simplified gives 59/7
- So, 21/3 + 70/49 = 59/7
In mixed form: 83/7
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