Add 35/15 and 90/7
1st number: 2 5/15, 2nd number: 12 6/7
35/15 + 90/7 is 319/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
35/15 = 35 × 7/15 × 7 = 245/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
90/7 = 90 × 15/7 × 15 = 1350/105 - Add the two like fractions:
245/105 + 1350/105 = 245 + 1350/105 = 1595/105 - 1595/105 simplified gives 319/21
- So, 35/15 + 90/7 = 319/21
In mixed form: 154/21
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