Add 20/15 and 21/98
1st number: 1 5/15, 2nd number: 21/98
20/15 + 21/98 is 65/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,
20/15 = 20 × 98/15 × 98 = 1960/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
21/98 = 21 × 15/98 × 15 = 315/1470 - Add the two like fractions:
1960/1470 + 315/1470 = 1960 + 315/1470 = 2275/1470 - 2275/1470 simplified gives 65/42
- So, 20/15 + 21/98 = 65/42
In mixed form: 123/42
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