Add 70/21 and 80/50
1st number: 3 7/21, 2nd number: 1 30/50
70/21 + 80/50 is 74/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
70/21 = 70 × 50/21 × 50 = 3500/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
80/50 = 80 × 21/50 × 21 = 1680/1050 - Add the two like fractions:
3500/1050 + 1680/1050 = 3500 + 1680/1050 = 5180/1050 - 5180/1050 simplified gives 74/15
- So, 70/21 + 80/50 = 74/15
In mixed form: 414/15
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