Add 18/48 and 72/45
1st number: 18/48, 2nd number: 1 27/45
18/48 + 72/45 is 79/40.
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,
18/48 = 18 × 15/48 × 15 = 270/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
72/45 = 72 × 16/45 × 16 = 1152/720 - Add the two like fractions:
270/720 + 1152/720 = 270 + 1152/720 = 1422/720 - 1422/720 simplified gives 79/40
- So, 18/48 + 72/45 = 79/40
In mixed form: 139/40
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