Add 7/21 and 98/15
1st number: 7/21, 2nd number: 6 8/15
7/21 + 98/15 is 103/15.
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,
7/21 = 7 × 5/21 × 5 = 35/105 - Likewise, for the 2nd fraction, since 15 × 7 = 105,
98/15 = 98 × 7/15 × 7 = 686/105 - Add the two like fractions:
35/105 + 686/105 = 35 + 686/105 = 721/105 - 721/105 simplified gives 103/15
- So, 7/21 + 98/15 = 103/15
In mixed form: 613/15
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