Add 21/48 and 30/35
21/48 + 30/35 is 145/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 35 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
21/48 = 21 × 35/48 × 35 = 735/1680 - Likewise, for the 2nd fraction, since 35 × 48 = 1680,
30/35 = 30 × 48/35 × 48 = 1440/1680 - Add the two like fractions:
735/1680 + 1440/1680 = 735 + 1440/1680 = 2175/1680 - 2175/1680 simplified gives 145/112
- So, 21/48 + 30/35 = 145/112
In mixed form: 133/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48+30/35 21/48+60/35 21/96+30/35 21/48+30/70 63/48+30/35 21/48+90/35