Add 21/15 and 20/98
1st number: 1 6/15, 2nd number: 20/98
21/15 + 20/98 is 393/245.
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,
21/15 = 21 × 98/15 × 98 = 2058/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
20/98 = 20 × 15/98 × 15 = 300/1470 - Add the two like fractions:
2058/1470 + 300/1470 = 2058 + 300/1470 = 2358/1470 - 2358/1470 simplified gives 393/245
- So, 21/15 + 20/98 = 393/245
In mixed form: 1148/245
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