Add 84/90 and 98/70
1st number: 84/90, 2nd number: 1 28/70
84/90 + 98/70 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
84/90 = 84 × 7/90 × 7 = 588/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
98/70 = 98 × 9/70 × 9 = 882/630 - Add the two like fractions:
588/630 + 882/630 = 588 + 882/630 = 1470/630 - 1470/630 simplified gives 7/3
- So, 84/90 + 98/70 = 7/3
In mixed form: 21/3
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