Add 98/90 and 80/7
1st number: 1 8/90, 2nd number: 11 3/7
98/90 + 80/7 is 3943/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
98/90 = 98 × 7/90 × 7 = 686/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
80/7 = 80 × 90/7 × 90 = 7200/630 - Add the two like fractions:
686/630 + 7200/630 = 686 + 7200/630 = 7886/630 - 7886/630 simplified gives 3943/315
- So, 98/90 + 80/7 = 3943/315
In mixed form: 12163/315
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