Add 90/15 and 42/35
1st number: 6 0/15, 2nd number: 1 7/35
90/15 + 42/35 is 36/5.
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,
90/15 = 90 × 7/15 × 7 = 630/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
42/35 = 42 × 3/35 × 3 = 126/105 - Add the two like fractions:
630/105 + 126/105 = 630 + 126/105 = 756/105 - 756/105 simplified gives 36/5
- So, 90/15 + 42/35 = 36/5
In mixed form: 71/5
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