Add 84/98 and 7/15
84/98 + 7/15 is 139/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
84/98 = 84 × 15/98 × 15 = 1260/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
7/15 = 7 × 98/15 × 98 = 686/1470 - Add the two like fractions:
1260/1470 + 686/1470 = 1260 + 686/1470 = 1946/1470 - 1946/1470 simplified gives 139/105
- So, 84/98 + 7/15 = 139/105
In mixed form: 134/105
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