Add 48/60 and 8/21
48/60 + 8/21 is 124/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
48/60 = 48 × 7/60 × 7 = 336/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
8/21 = 8 × 20/21 × 20 = 160/420 - Add the two like fractions:
336/420 + 160/420 = 336 + 160/420 = 496/420 - 496/420 simplified gives 124/105
- So, 48/60 + 8/21 = 124/105
In mixed form: 119/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/60+8/21 48/60+16/21 48/60+8/42 48/60+24/21 48/60+8/63 48/60+40/21 48/60+56/21