Add 63/98 and 21/15
1st number: 63/98, 2nd number: 1 6/15
63/98 + 21/15 is 143/70.
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,
21/15 = 21 × 98/15 × 98 = 2058/1470 - Add the two like fractions:
945/1470 + 2058/1470 = 945 + 2058/1470 = 3003/1470 - 3003/1470 simplified gives 143/70
- So, 63/98 + 21/15 = 143/70
In mixed form: 23/70
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