Add 90/30 and 45/72
1st number: 3 0/30, 2nd number: 45/72
90/30 + 45/72 is 29/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
90/30 = 90 × 12/30 × 12 = 1080/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
45/72 = 45 × 5/72 × 5 = 225/360 - Add the two like fractions:
1080/360 + 225/360 = 1080 + 225/360 = 1305/360 - 1305/360 simplified gives 29/8
- So, 90/30 + 45/72 = 29/8
In mixed form: 35/8
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