Add 21/98 and 90/8
1st number: 21/98, 2nd number: 11 2/8
21/98 + 90/8 is 321/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
90/8 = 90 × 49/8 × 49 = 4410/392 - Add the two like fractions:
84/392 + 4410/392 = 84 + 4410/392 = 4494/392 - 4494/392 simplified gives 321/28
- So, 21/98 + 90/8 = 321/28
In mixed form: 1113/28
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