Add 45/9 and 70/40
1st number: 5 0/9, 2nd number: 1 30/40
45/9 + 70/40 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
45/9 = 45 × 40/9 × 40 = 1800/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Add the two like fractions:
1800/360 + 630/360 = 1800 + 630/360 = 2430/360 - 2430/360 simplified gives 27/4
- So, 45/9 + 70/40 = 27/4
In mixed form: 63/4
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