Add 21/48 and 7/10
21/48 + 7/10 is 91/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 10 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 10 × 24 = 240,
7/10 = 7 × 24/10 × 24 = 168/240 - Add the two like fractions:
105/240 + 168/240 = 105 + 168/240 = 273/240 - 273/240 simplified gives 91/80
- So, 21/48 + 7/10 = 91/80
In mixed form: 111/80
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