Add 8/5 and 9/72
1st number: 1 3/5, 2nd number: 9/72
8/5 + 9/72 is 69/40.
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,
8/5 = 8 × 72/5 × 72 = 576/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Add the two like fractions:
576/360 + 45/360 = 576 + 45/360 = 621/360 - 621/360 simplified gives 69/40
- So, 8/5 + 9/72 = 69/40
In mixed form: 129/40
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