Add 45/5 and 42/72
1st number: 9 0/5, 2nd number: 42/72
45/5 + 42/72 is 115/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
45/5 = 45 × 72/5 × 72 = 3240/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
42/72 = 42 × 5/72 × 5 = 210/360 - Add the two like fractions:
3240/360 + 210/360 = 3240 + 210/360 = 3450/360 - 3450/360 simplified gives 115/12
- So, 45/5 + 42/72 = 115/12
In mixed form: 97/12
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