Add 90/70 and 12/25
1st number: 1 20/70, 2nd number: 12/25
90/70 + 12/25 is 309/175.
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,
90/70 = 90 × 5/70 × 5 = 450/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
12/25 = 12 × 14/25 × 14 = 168/350 - Add the two like fractions:
450/350 + 168/350 = 450 + 168/350 = 618/350 - 618/350 simplified gives 309/175
- So, 90/70 + 12/25 = 309/175
In mixed form: 1134/175
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