Add 98/90 and 7/42
1st number: 1 8/90, 2nd number: 7/42
98/90 + 7/42 is 113/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 42 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 42 × 15 = 630,
7/42 = 7 × 15/42 × 15 = 105/630 - Add the two like fractions:
686/630 + 105/630 = 686 + 105/630 = 791/630 - 791/630 simplified gives 113/90
- So, 98/90 + 7/42 = 113/90
In mixed form: 123/90
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