Add 56/60 and 90/21
1st number: 56/60, 2nd number: 4 6/21
56/60 + 90/21 is 548/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
56/60 = 56 × 7/60 × 7 = 392/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
90/21 = 90 × 20/21 × 20 = 1800/420 - Add the two like fractions:
392/420 + 1800/420 = 392 + 1800/420 = 2192/420 - 2192/420 simplified gives 548/105
- So, 56/60 + 90/21 = 548/105
In mixed form: 523/105
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