Add 81/7 and 98/30
1st number: 11 4/7, 2nd number: 3 8/30
81/7 + 98/30 is 1558/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
81/7 = 81 × 30/7 × 30 = 2430/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
98/30 = 98 × 7/30 × 7 = 686/210 - Add the two like fractions:
2430/210 + 686/210 = 2430 + 686/210 = 3116/210 - 3116/210 simplified gives 1558/105
- So, 81/7 + 98/30 = 1558/105
In mixed form: 1488/105
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