Add 48/40 and 21/45
1st number: 1 8/40, 2nd number: 21/45
48/40 + 21/45 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
48/40 = 48 × 9/40 × 9 = 432/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
21/45 = 21 × 8/45 × 8 = 168/360 - Add the two like fractions:
432/360 + 168/360 = 432 + 168/360 = 600/360 - 600/360 simplified gives 5/3
- So, 48/40 + 21/45 = 5/3
In mixed form: 12/3
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