Add 81/25 and 42/70
1st number: 3 6/25, 2nd number: 42/70
81/25 + 42/70 is 96/25.
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,
42/70 = 42 × 5/70 × 5 = 210/350 - Add the two like fractions:
1134/350 + 210/350 = 1134 + 210/350 = 1344/350 - 1344/350 simplified gives 96/25
- So, 81/25 + 42/70 = 96/25
In mixed form: 321/25
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