Add 90/98 and 15/63
90/98 + 15/63 is 170/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
90/98 = 90 × 9/98 × 9 = 810/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
15/63 = 15 × 14/63 × 14 = 210/882 - Add the two like fractions:
810/882 + 210/882 = 810 + 210/882 = 1020/882 - 1020/882 simplified gives 170/147
- So, 90/98 + 15/63 = 170/147
In mixed form: 123/147
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