Add 40/15 and 90/35
1st number: 2 10/15, 2nd number: 2 20/35
40/15 + 90/35 is 110/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
40/15 = 40 × 7/15 × 7 = 280/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
90/35 = 90 × 3/35 × 3 = 270/105 - Add the two like fractions:
280/105 + 270/105 = 280 + 270/105 = 550/105 - 550/105 simplified gives 110/21
- So, 40/15 + 90/35 = 110/21
In mixed form: 55/21
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