Add 90/60 and 90/63
1st number: 1 30/60, 2nd number: 1 27/63
90/60 + 90/63 is 41/14.
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,
90/60 = 90 × 21/60 × 21 = 1890/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
90/63 = 90 × 20/63 × 20 = 1800/1260 - Add the two like fractions:
1890/1260 + 1800/1260 = 1890 + 1800/1260 = 3690/1260 - 3690/1260 simplified gives 41/14
- So, 90/60 + 90/63 = 41/14
In mixed form: 213/14
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