Add 45/25 and 9/72
1st number: 1 20/25, 2nd number: 9/72
45/25 + 9/72 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
45/25 = 45 × 72/25 × 72 = 3240/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
9/72 = 9 × 25/72 × 25 = 225/1800 - Add the two like fractions:
3240/1800 + 225/1800 = 3240 + 225/1800 = 3465/1800 - 3465/1800 simplified gives 77/40
- So, 45/25 + 9/72 = 77/40
In mixed form: 137/40
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