Add 72/8 and 12/45
1st number: 9 0/8, 2nd number: 12/45
72/8 + 12/45 is 139/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
72/8 = 72 × 45/8 × 45 = 3240/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
12/45 = 12 × 8/45 × 8 = 96/360 - Add the two like fractions:
3240/360 + 96/360 = 3240 + 96/360 = 3336/360 - 3336/360 simplified gives 139/15
- So, 72/8 + 12/45 = 139/15
In mixed form: 94/15
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