Add 90/60 and 21/98
1st number: 1 30/60, 2nd number: 21/98
90/60 + 21/98 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 98 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
90/60 = 90 × 49/60 × 49 = 4410/2940 - Likewise, for the 2nd fraction, since 98 × 30 = 2940,
21/98 = 21 × 30/98 × 30 = 630/2940 - Add the two like fractions:
4410/2940 + 630/2940 = 4410 + 630/2940 = 5040/2940 - 5040/2940 simplified gives 12/7
- So, 90/60 + 21/98 = 12/7
In mixed form: 15/7
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