Add 90/70 and 72/14
1st number: 1 20/70, 2nd number: 5 2/14
90/70 + 72/14 is 45/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
90/70 = 90 × 1/70 × 1 = 90/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
72/14 = 72 × 5/14 × 5 = 360/70 - Add the two like fractions:
90/70 + 360/70 = 90 + 360/70 = 450/70 - 450/70 simplified gives 45/7
- So, 90/70 + 72/14 = 45/7
In mixed form: 63/7
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