Add 90/36 and 15/70
1st number: 2 18/36, 2nd number: 15/70
90/36 + 15/70 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
90/36 = 90 × 35/36 × 35 = 3150/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
15/70 = 15 × 18/70 × 18 = 270/1260 - Add the two like fractions:
3150/1260 + 270/1260 = 3150 + 270/1260 = 3420/1260 - 3420/1260 simplified gives 19/7
- So, 90/36 + 15/70 = 19/7
In mixed form: 25/7
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