Add 28/60 and 90/56
1st number: 28/60, 2nd number: 1 34/56
28/60 + 90/56 is 871/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
28/60 = 28 × 14/60 × 14 = 392/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
90/56 = 90 × 15/56 × 15 = 1350/840 - Add the two like fractions:
392/840 + 1350/840 = 392 + 1350/840 = 1742/840 - 1742/840 simplified gives 871/420
- So, 28/60 + 90/56 = 871/420
In mixed form: 231/420
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