Add 72/48 and 90/45
1st number: 1 24/48, 2nd number: 2 0/45
72/48 + 90/45 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
72/48 = 72 × 15/48 × 15 = 1080/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
90/45 = 90 × 16/45 × 16 = 1440/720 - Add the two like fractions:
1080/720 + 1440/720 = 1080 + 1440/720 = 2520/720 - 2520/720 simplified gives 7/2
- So, 72/48 + 90/45 = 7/2
In mixed form: 31/2
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