Add 72/40 and 9/72
1st number: 1 32/40, 2nd number: 9/72
72/40 + 9/72 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 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 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Add the two like fractions:
648/360 + 45/360 = 648 + 45/360 = 693/360 - 693/360 simplified gives 77/40
- So, 72/40 + 9/72 = 77/40
In mixed form: 137/40
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