Add 70/75 and 21/60
70/75 + 21/60 is 77/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
70/75 = 70 × 4/75 × 4 = 280/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
21/60 = 21 × 5/60 × 5 = 105/300 - Add the two like fractions:
280/300 + 105/300 = 280 + 105/300 = 385/300 - 385/300 simplified gives 77/60
- So, 70/75 + 21/60 = 77/60
In mixed form: 117/60
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