Add 72/15 and 45/35
1st number: 4 12/15, 2nd number: 1 10/35
72/15 + 45/35 is 213/35.
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,
72/15 = 72 × 7/15 × 7 = 504/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
45/35 = 45 × 3/35 × 3 = 135/105 - Add the two like fractions:
504/105 + 135/105 = 504 + 135/105 = 639/105 - 639/105 simplified gives 213/35
- So, 72/15 + 45/35 = 213/35
In mixed form: 63/35
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