Add 75/72 and 6/45
1st number: 1 3/72, 2nd number: 6/45
75/72 + 6/45 is 47/40.
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,
6/45 = 6 × 8/45 × 8 = 48/360 - Add the two like fractions:
375/360 + 48/360 = 375 + 48/360 = 423/360 - 423/360 simplified gives 47/40
- So, 75/72 + 6/45 = 47/40
In mixed form: 17/40
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