Add 84/10 and 90/28
1st number: 8 4/10, 2nd number: 3 6/28
84/10 + 90/28 is 813/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
84/10 = 84 × 14/10 × 14 = 1176/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
90/28 = 90 × 5/28 × 5 = 450/140 - Add the two like fractions:
1176/140 + 450/140 = 1176 + 450/140 = 1626/140 - 1626/140 simplified gives 813/70
- So, 84/10 + 90/28 = 813/70
In mixed form: 1143/70
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