Add 28/60 and 90/63
1st number: 28/60, 2nd number: 1 27/63
28/60 + 90/63 is 199/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
28/60 = 28 × 21/60 × 21 = 588/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
90/63 = 90 × 20/63 × 20 = 1800/1260 - Add the two like fractions:
588/1260 + 1800/1260 = 588 + 1800/1260 = 2388/1260 - 2388/1260 simplified gives 199/105
- So, 28/60 + 90/63 = 199/105
In mixed form: 194/105
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