Add 72/48 and 21/90
1st number: 1 24/48, 2nd number: 21/90
72/48 + 21/90 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 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 90 × 8 = 720,
21/90 = 21 × 8/90 × 8 = 168/720 - Add the two like fractions:
1080/720 + 168/720 = 1080 + 168/720 = 1248/720 - 1248/720 simplified gives 26/15
- So, 72/48 + 21/90 = 26/15
In mixed form: 111/15
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