Add 90/10 and 30/14
1st number: 9 0/10, 2nd number: 2 2/14
90/10 + 30/14 is 78/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
30/14 = 30 × 5/14 × 5 = 150/70 - Add the two like fractions:
630/70 + 150/70 = 630 + 150/70 = 780/70 - 780/70 simplified gives 78/7
- So, 90/10 + 30/14 = 78/7
In mixed form: 111/7
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