Add 75/45 and 70/40
1st number: 1 30/45, 2nd number: 1 30/40
75/45 + 70/40 is 41/12.
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,
75/45 = 75 × 8/45 × 8 = 600/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Add the two like fractions:
600/360 + 630/360 = 600 + 630/360 = 1230/360 - 1230/360 simplified gives 41/12
- So, 75/45 + 70/40 = 41/12
In mixed form: 35/12
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