Add 63/5 and 90/28
1st number: 12 3/5, 2nd number: 3 6/28
63/5 + 90/28 is 1107/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
63/5 = 63 × 28/5 × 28 = 1764/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
90/28 = 90 × 5/28 × 5 = 450/140 - Add the two like fractions:
1764/140 + 450/140 = 1764 + 450/140 = 2214/140 - 2214/140 simplified gives 1107/70
- So, 63/5 + 90/28 = 1107/70
In mixed form: 1557/70
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