Add 70/10 and 90/84
1st number: 7 0/10, 2nd number: 1 6/84
70/10 + 90/84 is 113/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
70/10 = 70 × 42/10 × 42 = 2940/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Add the two like fractions:
2940/420 + 450/420 = 2940 + 450/420 = 3390/420 - 3390/420 simplified gives 113/14
- So, 70/10 + 90/84 = 113/14
In mixed form: 81/14
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