Add 90/25 and 90/70
1st number: 3 15/25, 2nd number: 1 20/70
90/25 + 90/70 is 171/35.
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,
90/25 = 90 × 14/25 × 14 = 1260/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
90/70 = 90 × 5/70 × 5 = 450/350 - Add the two like fractions:
1260/350 + 450/350 = 1260 + 450/350 = 1710/350 - 1710/350 simplified gives 171/35
- So, 90/25 + 90/70 = 171/35
In mixed form: 431/35
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