Add 28/90 and 98/7
1st number: 28/90, 2nd number: 14 0/7
28/90 + 98/7 is 644/45.
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,
28/90 = 28 × 7/90 × 7 = 196/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
98/7 = 98 × 90/7 × 90 = 8820/630 - Add the two like fractions:
196/630 + 8820/630 = 196 + 8820/630 = 9016/630 - 9016/630 simplified gives 644/45
- So, 28/90 + 98/7 = 644/45
In mixed form: 1414/45
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