Add 98/70 and 30/9
1st number: 1 28/70, 2nd number: 3 3/9
98/70 + 30/9 is 71/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
98/70 = 98 × 9/70 × 9 = 882/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
30/9 = 30 × 70/9 × 70 = 2100/630 - Add the two like fractions:
882/630 + 2100/630 = 882 + 2100/630 = 2982/630 - 2982/630 simplified gives 71/15
- So, 98/70 + 30/9 = 71/15
In mixed form: 411/15
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