Add 72/45 and 5/40
1st number: 1 27/45, 2nd number: 5/40
72/45 + 5/40 is 69/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
72/45 = 72 × 8/45 × 8 = 576/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
5/40 = 5 × 9/40 × 9 = 45/360 - Add the two like fractions:
576/360 + 45/360 = 576 + 45/360 = 621/360 - 621/360 simplified gives 69/40
- So, 72/45 + 5/40 = 69/40
In mixed form: 129/40
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