Add 21/24 and 48/70
21/24 + 48/70 is 437/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
21/24 = 21 × 35/24 × 35 = 735/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
48/70 = 48 × 12/70 × 12 = 576/840 - Add the two like fractions:
735/840 + 576/840 = 735 + 576/840 = 1311/840 - 1311/840 simplified gives 437/280
- So, 21/24 + 48/70 = 437/280
In mixed form: 1157/280
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