Add 75/70 and 70/60
1st number: 1 5/70, 2nd number: 1 10/60
75/70 + 70/60 is 47/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
75/70 = 75 × 6/70 × 6 = 450/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Add the two like fractions:
450/420 + 490/420 = 450 + 490/420 = 940/420 - 940/420 simplified gives 47/21
- So, 75/70 + 70/60 = 47/21
In mixed form: 25/21
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