Add 72/45 and 56/35
1st number: 1 27/45, 2nd number: 1 21/35
72/45 + 56/35 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
72/45 = 72 × 7/45 × 7 = 504/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
56/35 = 56 × 9/35 × 9 = 504/315 - Add the two like fractions:
504/315 + 504/315 = 504 + 504/315 = 1008/315 - 1008/315 simplified gives 16/5
- So, 72/45 + 56/35 = 16/5
In mixed form: 31/5
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