Add 72/16 and 90/30
1st number: 4 8/16, 2nd number: 3 0/30
72/16 + 90/30 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
72/16 = 72 × 15/16 × 15 = 1080/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
90/30 = 90 × 8/30 × 8 = 720/240 - Add the two like fractions:
1080/240 + 720/240 = 1080 + 720/240 = 1800/240 - 1800/240 simplified gives 15/2
- So, 72/16 + 90/30 = 15/2
In mixed form: 71/2
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