Add 70/40 and 20/75
1st number: 1 30/40, 2nd number: 20/75
70/40 + 20/75 is 121/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
70/40 = 70 × 15/40 × 15 = 1050/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
20/75 = 20 × 8/75 × 8 = 160/600 - Add the two like fractions:
1050/600 + 160/600 = 1050 + 160/600 = 1210/600 - 1210/600 simplified gives 121/60
- So, 70/40 + 20/75 = 121/60
In mixed form: 21/60
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