Add 80/70 and 90/25
1st number: 1 10/70, 2nd number: 3 15/25
80/70 + 90/25 is 166/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
80/70 = 80 × 5/70 × 5 = 400/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
90/25 = 90 × 14/25 × 14 = 1260/350 - Add the two like fractions:
400/350 + 1260/350 = 400 + 1260/350 = 1660/350 - 1660/350 simplified gives 166/35
- So, 80/70 + 90/25 = 166/35
In mixed form: 426/35
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