Add 54/60 and 90/63
1st number: 54/60, 2nd number: 1 27/63
54/60 + 90/63 is 163/70.
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,
54/60 = 54 × 21/60 × 21 = 1134/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
90/63 = 90 × 20/63 × 20 = 1800/1260 - Add the two like fractions:
1134/1260 + 1800/1260 = 1134 + 1800/1260 = 2934/1260 - 2934/1260 simplified gives 163/70
- So, 54/60 + 90/63 = 163/70
In mixed form: 223/70
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