Add 98/8 and 90/72
1st number: 12 2/8, 2nd number: 1 18/72
98/8 + 90/72 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
98/8 = 98 × 9/8 × 9 = 882/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
882/72 + 90/72 = 882 + 90/72 = 972/72 - 972/72 simplified gives 27/2
- So, 98/8 + 90/72 = 27/2
In mixed form: 131/2
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