Add 21/98 and 9/28
21/98 + 9/28 is 15/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
21/98 = 21 × 2/98 × 2 = 42/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
9/28 = 9 × 7/28 × 7 = 63/196 - Add the two like fractions:
42/196 + 63/196 = 42 + 63/196 = 105/196 - 105/196 simplified gives 15/28
- So, 21/98 + 9/28 = 15/28
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