Add 45/15 and 90/7
1st number: 3 0/15, 2nd number: 12 6/7
45/15 + 90/7 is 111/7.
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,
45/15 = 45 × 7/15 × 7 = 315/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
90/7 = 90 × 15/7 × 15 = 1350/105 - Add the two like fractions:
315/105 + 1350/105 = 315 + 1350/105 = 1665/105 - 1665/105 simplified gives 111/7
- So, 45/15 + 90/7 = 111/7
In mixed form: 156/7
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