Add 9/56 and 21/60
9/56 + 21/60 is 143/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
21/60 = 21 × 14/60 × 14 = 294/840 - Add the two like fractions:
135/840 + 294/840 = 135 + 294/840 = 429/840 - 429/840 simplified gives 143/280
- So, 9/56 + 21/60 = 143/280
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