Add 63/98 and 18/15
1st number: 63/98, 2nd number: 1 3/15
63/98 + 18/15 is 129/70.
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,
63/98 = 63 × 15/98 × 15 = 945/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
18/15 = 18 × 98/15 × 98 = 1764/1470 - Add the two like fractions:
945/1470 + 1764/1470 = 945 + 1764/1470 = 2709/1470 - 2709/1470 simplified gives 129/70
- So, 63/98 + 18/15 = 129/70
In mixed form: 159/70
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