Add 81/25 and 98/70
1st number: 3 6/25, 2nd number: 1 28/70
81/25 + 98/70 is 116/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
81/25 = 81 × 14/25 × 14 = 1134/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
98/70 = 98 × 5/70 × 5 = 490/350 - Add the two like fractions:
1134/350 + 490/350 = 1134 + 490/350 = 1624/350 - 1624/350 simplified gives 116/25
- So, 81/25 + 98/70 = 116/25
In mixed form: 416/25
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