Add 98/90 and 15/42
1st number: 1 8/90, 2nd number: 15/42
98/90 + 15/42 is 911/630.
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,
15/42 = 15 × 15/42 × 15 = 225/630 - Add the two like fractions:
686/630 + 225/630 = 686 + 225/630 = 911/630 - So, 98/90 + 15/42 = 911/630
In mixed form: 1281/630
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