Add 98/21 and 9/15
1st number: 4 14/21, 2nd number: 9/15
98/21 + 9/15 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 15 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
98/21 = 98 × 5/21 × 5 = 490/105 - Likewise, for the 2nd fraction, since 15 × 7 = 105,
9/15 = 9 × 7/15 × 7 = 63/105 - Add the two like fractions:
490/105 + 63/105 = 490 + 63/105 = 553/105 - 553/105 simplified gives 79/15
- So, 98/21 + 9/15 = 79/15
In mixed form: 54/15
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