Add 75/72 and 12/45
1st number: 1 3/72, 2nd number: 12/45
75/72 + 12/45 is 157/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
75/72 = 75 × 5/72 × 5 = 375/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
12/45 = 12 × 8/45 × 8 = 96/360 - Add the two like fractions:
375/360 + 96/360 = 375 + 96/360 = 471/360 - 471/360 simplified gives 157/120
- So, 75/72 + 12/45 = 157/120
In mixed form: 137/120
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