Add 30/45 and 48/40
1st number: 30/45, 2nd number: 1 8/40
30/45 + 48/40 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
30/45 = 30 × 8/45 × 8 = 240/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
48/40 = 48 × 9/40 × 9 = 432/360 - Add the two like fractions:
240/360 + 432/360 = 240 + 432/360 = 672/360 - 672/360 simplified gives 28/15
- So, 30/45 + 48/40 = 28/15
In mixed form: 113/15
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