Add 80/15 and 21/49
1st number: 5 5/15, 2nd number: 21/49
80/15 + 21/49 is 121/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
80/15 = 80 × 49/15 × 49 = 3920/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
21/49 = 21 × 15/49 × 15 = 315/735 - Add the two like fractions:
3920/735 + 315/735 = 3920 + 315/735 = 4235/735 - 4235/735 simplified gives 121/21
- So, 80/15 + 21/49 = 121/21
In mixed form: 516/21
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