Add 72/40 and 3/9
1st number: 1 32/40, 2nd number: 3/9
72/40 + 3/9 is 32/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
3/9 = 3 × 40/9 × 40 = 120/360 - Add the two like fractions:
648/360 + 120/360 = 648 + 120/360 = 768/360 - 768/360 simplified gives 32/15
- So, 72/40 + 3/9 = 32/15
In mixed form: 22/15
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