Add 70/21 and 28/6
1st number: 3 7/21, 2nd number: 4 4/6
70/21 + 28/6 is 8/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
70/21 = 70 × 2/21 × 2 = 140/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
28/6 = 28 × 7/6 × 7 = 196/42 - Add the two like fractions:
140/42 + 196/42 = 140 + 196/42 = 336/42 - 336/42 simplified gives 8/1
- So, 70/21 + 28/6 = 8/1
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