Add 90/48 and 12/45
1st number: 1 42/48, 2nd number: 12/45
90/48 + 12/45 is 257/120.
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,
90/48 = 90 × 15/48 × 15 = 1350/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Add the two like fractions:
1350/720 + 192/720 = 1350 + 192/720 = 1542/720 - 1542/720 simplified gives 257/120
- So, 90/48 + 12/45 = 257/120
In mixed form: 217/120
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