Add 45/60 and 20/56
45/60 + 20/56 is 31/28.
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,
45/60 = 45 × 14/60 × 14 = 630/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Add the two like fractions:
630/840 + 300/840 = 630 + 300/840 = 930/840 - 930/840 simplified gives 31/28
- So, 45/60 + 20/56 = 31/28
In mixed form: 13/28
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