Add 75/70 and 7/84
1st number: 1 5/70, 2nd number: 7/84
75/70 + 7/84 is 97/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 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 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420 - Add the two like fractions:
450/420 + 35/420 = 450 + 35/420 = 485/420 - 485/420 simplified gives 97/84
- So, 75/70 + 7/84 = 97/84
In mixed form: 113/84
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